Computer Technology Flash Card 2

Size: px
Start display at page:

Download "Computer Technology Flash Card 2"

Transcription

1 Computer Technology Flash Card 2 Mouse An input device that allows the user to manipulate objects on the screen by moving the mouse along the surface of a desk. Data Refers to the symbols that represent facts, objects, or ideas. Hardware Includes the electronic and mechanical devices that process the data; refers to the computer as well as peripheral devices. Network Two or more computers and other devices that are connected, for the purpose of sharing data and programs. Storage Area of the computer that holds data on a permanent basis when it is not immediately needed for processing.

2 Computer Technology Flash Card 3 Peripheral devices Used to expand the computer s input, output and storage capabilities. Keyboard An arrangement of letters, numbers, and special function keys that act as the primary input device to the computer. Input Whatever is put into a computer system. System unit Case that holds the power supply, storage devices, and the circuit boards (including the motherboard). Memory Area of the computer that temporarily holds data waiting to be processed, stored, or output.

3 Computer Technology Flash Card 4 Processing Manipulation of the data in many ways. Information The results of the computer storing data as bits and bytes; the words, numbers, sounds, and graphics. Sound Card A circuit board that gives the computer the ability to accept audio input, play sound files, and produce audio output through speakers or headphones. Computer A device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions. Software A computer program that tells the computer how to perform particular tasks.

4 Computer Technology Flash Card 5 Storage devices Used to keep data when the power to the computer is turned off. Gigabyte Approximately 1 billion bytes. Circuits The path from one component of a computer to another that data uses to travel. RAM The ability of a storage device to go directly to a specific storage location without having to search sequentially from a beginning location. Silicon Chips Melted sand; what the circuits are embedded into to keep them together.

5 Computer Technology Flash Card 6 Kilobyte Approximately 1,000 bytes. Boot process Sequence of events that occurs between the time you turn on a computer and the time that it becomes ready to accept commands. Pentium Name of the CPU; 5th generation of the Intel processor. Bit Each 0 or 1. ROM Drives can read data from disks, but cannot store new data on them.

6 Computer Technology Flash Card 7 Terabyte Approximately 1 trillion bytes. Binary Numbers A method for representing numbers using only two digits, 0 and 1. Megahertz A measurement used to describe the speed of the system clock. Megabyte Approximately 1 million bytes. Byte 8 bits.

7 Computer Technology Flash Card 8 CPU Where the processing in a computer takes place, often called the brain of the computer. Storage Devices Used to keep data when the power to the computer is turned off. Workstation Powerful desktop computer designed for specialized tasks. Printer Output device that produces text or graphical images on paper. Mainframe Large expensive computer capable of simultaneously processing data for hundreds or thousands of users.

8 Computer Technology Flash Card 9 Input devices Units that gather information and transform that information it into a series of electronic signals for the computer. Monitor Display device that forms an image by converting electrical signals from the computer into points of colored light on the screen. Output devices Devices that display, print, or transmit the results of processing from the computer s memory. Laptop Computer A portable, compact computer that can run on an electrical wall outlet or a battery unit. Microcomputer A personal computer; designed to meet the computer needs of an individual

9 Computer Technology Flash Card 10 Desktop Computer Microcomputer that fits on a desk and runs on power from a wall outlet Modem Device that sends and receives data to and from computers over telephone lines. Supercomputer A computer that was the fastest in the world at the time it was constructed. Server A computer that has the purpose of supplying its users with data; usually through the use of a LAN (local area network). Handheld A computer that fits into a pocket, runs on batteries, and is used while holding the unit in your hand.

10 Computer Technology Flash Card 11 Hard Disk Usually mounted inside the computer s system unit and can store billions of characters of data. Platform Underlying hardware and software of the computer system. Folders The subdirectory or subdivision, of a directory that can contain files or other folders. Resolution The density of the grid used to display or print text and graphics; the greater the horizontal and vertical density, the higher the resolution. CD-Rom Storage device that uses laser technology to read data that is permanently stored on compact disks, cannot be used to write data to a disk.

11 Computer Technology Flash Card 12 Program Set of detailed, step-by-step instructions that tell a computer how to solve a problem or carry out a task. Application Software Set of computer programs that help a person carry out a task. Multi-tasking Running more than one program at a time or making sure that the instructions and data from one area of memory don t interfere with memory allocated for other programs. Floppy disk Round piece of flexible Mylar plastic covered with a thin layer of magnetic oxide and sealed inside a protective covering. Magnetic Storage Recording of data onto disks or tape by magnetizing particles of an oxide based surface coating.

12 Computer Technology Flash Card 13 Digital Audio Tape Method of storing large amounts of data on tape using helical scan technology to write data at high densities across the tape at an angle. Optical Storage Means of recording data as light and dark spots on CD or DVD with the use of a lowpower laser light. Operating System Master controller for all activities that take place within a computer; primary purpose is to help the computer system monitor itself in order to function efficiently. GUI A type of user interface that features onscreen objects, such as menus and icons, manipulated by a mouse. File A named collection of data that exists on a storage medium.

13 Computer Technology Flash Card 14 Keyboard An arrangement of letters, numbers, and special function keys that act as the primary input device to the computer. Silicon Chips Melted sand; what the circuits are embedded into to keep them together. Monitor Display device that forms an image by converting electrical signals from the computer into points of colored light on the screen Information The results of the computer storing data as bits and bytes; the words, numbers, sounds, and graphics. ROM Drives can read data from disks, but cannot store new data on them.

14 Computer Technology Flash Card 15 Mainframe Large expensive computer capable of simultaneously processing data for hundreds or thousands of users. Output devices Devices that display, print, or transmit the results of processing from the computer s memory. CD-Rom Storage device that uses laser technology to read data that is permanently stored on compact disks, cannot be used to write data to a disk. Storage Area of the computer that holds data on a permanent basis when it is not immediately needed for processing. Floppy Disk Round piece of flexible Mylar plastic covered with a thin layer of magnetic oxide and sealed inside a protective covering.

15 Computer Technology Flash Card 16 Mouse An input device that allows the user to manipulate objects on the screen by moving the mouse along the surface of a desk. Memory Area of the computer that temporarily holds data waiting to be processed, stored, or output. Server A computer that has the purpose of supplying its users with data; usually through the use of a LAN (local area network). File A named collection of data that exists on a storage medium. Program Set of detailed, step-by-step instructions that tell a computer how to solve a problem or carry out a task.

16 Computer Technology Flash Card 17 Computer A device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions. Byte 8 bits. Resolution The density of the grid used to display or print text and graphics; the greater the horizontal and vertical density, the higher the resolution. Operating System Master controller for all activities that take place within a computer; primary purpose is to help the computer system monitor itself in order to function efficiently. Printer Output device that produces text or graphical images on paper.

17 Computer Technology Flash Card 18 LAN Computer network that is located within a limited geographical area, such as a school or small business Network Two or more computers and other devices that are connected, for the purpose of sharing data and programs. Client Refers to the software on a computer that allows the user to access the server WAN Interconnected group of computers and peripherals that cover a large geographical area, such as multiple buildings IP Address A unique identifying number assigned to each computer connected to the internet

18 Computer Technology Flash Card 19 Ethics The rules or standards governing the conduct of a person or the members of a profession Copyrights A form of legal protection that grants certain exclusive rights to the author of a program Sending an electronic message to another person or to a group of people Acceptable Use Policies Used to protect a network and the users on that network and provide guidelines to how a network can and should be used Software Licenses A legal contract that defines the ways in which you may use a computer program

19 Computer Technology Flash Card 20 Input Whatever is put into a computer system. Folders The subdirectory or subdivision, of a directory that can contain files or other folders. Sound Card A circuit board that gives the computer the ability to accept audio input, play sound files, and produce audio output through speakers or headphones. Hard Disk Usually mounted inside the computer s system unit and can store billions of characters of data. Circuits The path from one component of a computer to another that data uses to travel.

20 Computer Technology Flash Card 21 Software A computer program that tells the computer how to perform particular tasks. Pentium Name of the CPU; 5th generation of the Intel processor. Megahertz A measurement used to describe the speed of the system clock. Data Refers to the symbols that represent facts, objects, or ideas. CPU Where the processing in a computer takes place, often called the brain of the computer.

21 Computer Technology Flash Card 22 Computer Virus Set of program instructions that attaches itself to a file, reproduces itself, and/or spreads to other files Time Bomb Watches for the PC clock to reach a certain date to activate the virus Trojan Horse Computer program that seems to perform one function while actually doing something else Logic Bomb Watches for a specific set of input to activate the virus File Virus Virus that attaches to an application program

22 Computer Technology Flash Card 23 Boot Sector Virus Infects the system files that your computer uses every time it is turned on Worm Software program designed to enter a computer system usually through a network, through security holes and then replicate itself LAN Computer network that is located within a limited geographical area, such as a school or small business Macro Virus A virus that affects a miniature program that usually contains legitimate instructions to automate a document or task Sending an electronic message to another person or to a group of people

23 Computer Technology Flash Card 24 Application Software Set of computer programs that help a person carry out a task. GUI A type of user interface that features onscreen objects, such as menus and icons, manipulated by a mouse. Hardware Includes the electronic and mechanical devices that process the data; refers to the computer as well as peripheral devices. Gigabyte Approximately 1 billion bytes. Modem Device that sends and receives data to and from computers over telephone lines.

24 Computer Technology Flash Card 25 RAM The ability of a storage device to go directly to a specific storage location without having to search sequentially from a beginning location. System Unit Case that holds the power supply, storage devices, and the circuit boards (including the motherboard). Bit Each 0 or 1. Copyrights A form of legal protection that grants certain exclusive rights to the author of a program Laptop Computer A portable, compact computer that can run on an electrical wall outlet or a battery unit.

25 Computer Technology Flash Card 26 Magnetic Storage Recording of data onto disks or tape by magnetizing particles of an oxide based surface coating. Kilobyte Approximately 1,000 bytes. Workstation Powerful desktop computer designed for specialized tasks. Time Bomb Watches for the PC clock to reach a certain date to activate the virus Peripheral Devices Used to expand the computer s input, output and storage capabilities.

26 Computer Technology Flash Card 27 Terabyte Approximately 1 trillion bytes. Processing Manipulation of the data in many ways. WAN Interconnected group of computers and peripherals that cover a large geographical area, such as multiple buildings Optical Storage Means of recording data as light and dark spots on CD or DVD with the use of a lowpower laser light. Computer Virus Set of program instructions that attaches itself to a file, reproduces itself, and/or spreads to other files

27 Computer Technology Flash Card 28 Boot Sector Virus Infects the system files that your computer uses every time it is turned on Handheld A computer that fits into a pocket, runs on batteries, and is used while holding the unit in your hand. IP Address A unique identifying number assigned to each computer connected to the internet Software Licenses A legal contract that defines the ways in which you may use a computer program Input Devices Units that gather information and transform that information it into a series of electronic signals for the computer.

28 Computer Technology Flash Card 29 Logic Bomb Watches for a specific set of input to activate the virus Boot Process Sequence of events that occurs between the time you turn on a computer and the time that it becomes ready to accept commands. Client Refers to the software on a computer that allows the user to access the server File Virus Virus that attaches to an application program Binary Numbers A method for representing numbers using only two digits, 0 and 1.

29 Computer Technology Flash Card 30 Digital Audio Tape Method of storing large amounts of data on tape using helical scan technology to write data at high densities across the tape at an angle. Megabyte Approximately 1 million bytes. Macro Virus A virus that affects a miniature program that usually contains legitimate instructions to automate a document or task Desktop Computer Microcomputer that fits on a desk and runs on power from a wall outlet Ethics The rules or standards governing the conduct of a person or the members of a profession

30 Computer Technology Flash Card 31 Microcomputer A personal computer; designed to meet the computer needs of an individual Acceptable Use Policies Used to protect a network and the users on that network and provide guidelines to how a network can and should be used Worm Software program designed to enter a computer system usually through a network, through security holes and then replicate itself Platform Underlying hardware and software of the computer system. Magnetic Storage Recording of data onto disks or tape by magnetizing particles of an oxide based surface coating.

31 Computer Technology Flash Card 32 Supercomputer A computer that was the fastest in the world at the time it was constructed. Trojan Horse Computer program that seems to perform one function while actually doing something else Hardware Includes the electronic and mechanical devices that process the data; refers to the computer as well as peripheral devices. Ethics The rules or standards governing the conduct of a person or the members of a profession Mainframe Large expensive computer capable of simultaneously processing data for hundreds or thousands of users.

32 Computer Technology Flash Card 33 File A named collection of data that exists on a storage medium. Software A computer program that tells the computer how to perform particular tasks. Computer Virus Set of program instructions that attaches itself to a file, reproduces itself, and/or spreads to other files ROM Drives can read data from disks, but cannot store new data on them. Printer Output device that produces text or graphical images on paper.

33 Computer Technology Flash Card 34 Program Set of detailed, step-by-step instructions that tell a computer how to solve a problem or carry out a task. Keyboard An arrangement of letters, numbers, and special function keys that act as the primary input device to the computer. Worm Software program designed to enter a computer system usually through a network, through security holes and then replicate itself Binary Numbers A method for representing numbers using only two digits, 0 and 1. Acceptable Use Policies Used to protect a network and the users on that network and provide guidelines to how a network can and should be used

34 Computer Technology Flash Card 35 ROM Drives can read data from disks, but cannot store new data on them. Network Two or more computers and other devices that are connected, for the purpose of sharing data and programs. Hard Disk Usually mounted inside the computer s system unit and can store billions of characters of data. Trojan Horse Computer program that seems to perform one function while actually doing something else Folders The subdirectory or subdivision, of a directory that can contain files or other folders.

35 Computer Technology Flash Card 36 Server A computer that has the purpose of supplying its users with data; usually through the use of a LAN (local area network). Modem Device that sends and receives data to and from computers over telephone lines. Memory Area of the computer that temporarily holds data waiting to be processed, stored, or output. Sending an electronic message to another person or to a group of people IP Address A unique identifying number assigned to each computer connected to the internet

36 Computer Technology Flash Card 37 Mouse An input device that allows the user to manipulate objects on the screen by moving the mouse along the surface of a desk. Copyrights A form of legal protection that grants certain exclusive rights to the author of a program Client Refers to the software on a computer that allows the user to access the server Time Bomb Watches for the PC clock to reach a certain date to activate the virus RAM The ability of a storage device to go directly to a specific storage location without having to search sequentially from a beginning location.

37 Computer Technology Flash Card 38 Boot Process Sequence of events that occurs between the time you turn on a computer and the time that it becomes ready to accept commands. Platform Underlying hardware and software of the computer system. Resolution The density of the grid used to display or print text and graphics; the greater the horizontal and vertical density, the higher the resolution. Software Licenses A legal contract that defines the ways in which you may use a computer program System Unit Case that holds the power supply, storage devices, and the circuit boards (including the motherboard).

Terminology, Types of Computers & Computer Hardware

Terminology, Types of Computers & Computer Hardware Terminology, Types of Computers & Computer Hardware Basic Terminology 1.Computer A device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions.

More information

Zimmer CSCI /24/18. CHAPTER 1 Overview. COMPUTER Programmable devices that can store, retrieve, and process data.

Zimmer CSCI /24/18. CHAPTER 1 Overview. COMPUTER Programmable devices that can store, retrieve, and process data. CHAPTER 1 Overview COMPUTER Programmable devices that can store, retrieve, and process data. COMPUTER DEVELOPMENTS- Smaller size - processors (vacuum tubes -> transistors ->IC chip) Microprocessor - miniaturized

More information

Parts of the Computer System. Parts of the Computer System. Parts of the Computer System. Essential Computer Hardware. Information Processing Cycle

Parts of the Computer System. Parts of the Computer System. Parts of the Computer System. Essential Computer Hardware. Information Processing Cycle Looking Inside the Computer System NOS 116, 118, 218, 222 Handout 10 Hardware & Software Computer systems have four parts Hardware Software Data User 1 1B-2 Hardware Mechanical devices in the computer

More information

Software is a computer that tells the computer how to perform particular.

Software is a computer that tells the computer how to perform particular. Name: A is a device that accepts, processes, stores, and produces, all according to a series of stored instructions. _ includes the physical electronic and mechanical devices that process the data. Peripheral

More information

What is the typical configuration of a computer sold today? 1-1

What is the typical configuration of a computer sold today? 1-1 What is the typical configuration of a computer sold today? 1-1 Computer Hardware Components In this chapter: How did the computer become known as the stored-program computer? Do they all have the same

More information

Copyright 2006 Prentice-Hall. All rights reserved. 1

Copyright 2006 Prentice-Hall. All rights reserved. 1 PC Basics CPSC 100 Hardware Software Networking Copyright 2006 Prentice-Hall. All rights reserved. 1 Objectives Identify basic components of a computer (hardware) Gain insight into how computers work (software)

More information

Community Development and Training Centre Semester IT 245 Management Information Systems

Community Development and Training Centre Semester IT 245 Management Information Systems Community Development and Training Centre Semester 2 2006 IT 245 Management Information Systems Computer Hardware Chapter Summary Computer Systems. Major types and trends in computer systems are summarized

More information

Electricity: Voltage. Gate: A signal enters the gate at a certain voltage. The gate performs operations on it, and sends it out was a new signal.

Electricity: Voltage. Gate: A signal enters the gate at a certain voltage. The gate performs operations on it, and sends it out was a new signal. Hardware CSCE 101 Electricity: Voltage Gate: A signal enters the gate at a certain voltage. The gate performs operations on it, and sends it out was a new signal. The signals voltage will either be between

More information

Introduction to Computers and Applications

Introduction to Computers and Applications A World of Computers Introduction to Computers and Applications What is computer literacy? Knowledge and understanding of computers and their uses Computers are everywhere What Is a Computer? How is a

More information

Information Communications Technology (CE-ICT) 6 th Class

Information Communications Technology (CE-ICT) 6 th Class Information Communications Technology (CE-ICT) 6 th Class Lecture 2: Computer Concepts (Part A) Lecturer: Objectives Hardware Concepts Types of Computer Components of a Computer System Computer Performance

More information

INTRODUCTION TO COMPUTERS

INTRODUCTION TO COMPUTERS INTRODUCTION TO COMPUTERS When we talk about computers, we really are talking about a Computer System. Computer System: It is a combination of Hardware and Software. This combination allows a computer

More information

Introduction To Computer Hardware. Hafijur Rahman

Introduction To Computer Hardware. Hafijur Rahman Introduction To Computer Hardware Lecture 2 Hafijur Rahman What is a Computer? A computer is an electronic device, which can input, process, and output data. input processing output A computer is a machine

More information

Introduction to Computers. Joslyn A. Smith

Introduction to Computers. Joslyn A. Smith Introduction to Computers Joslyn A. Smith March 9, 2010 5/18/2011 1 What is a Computer? An electronic device that has the capability of performing the following tasks: Responds to input. Processes the

More information

Chapter Two. Hardware Basics: Inside the Box

Chapter Two. Hardware Basics: Inside the Box Chapter Two Hardware Basics: Inside the Box After reading this chapter, you should be able to: Explain general terms how computers store and manipulate information. Describe the basic structure of a computer

More information

Management Information Systems OUTLINE OBJECTIVES. Information Systems: Computer Hardware. Dr. Shankar Sundaresan

Management Information Systems OUTLINE OBJECTIVES. Information Systems: Computer Hardware. Dr. Shankar Sundaresan Management Information Systems Information Systems: Computer Hardware Dr. Shankar Sundaresan (Adapted from Introduction to IS, Rainer and Turban) OUTLINE Introduction The Central Processing Unit Computer

More information

Introduction to Computers

Introduction to Computers Introduction to Computers Considers: Definition of computer Computer system devices Central Processing Unit Introduction to software What Is A Computer? A computer is an electronic device, operating under

More information

An Overview of the Computer System. Kafui A. Prebbie 24

An Overview of the Computer System. Kafui A. Prebbie 24 An Overview of the Computer System Kafui A. Prebbie -kafui@kafui.com 24 The Parts of a Computer System What is a Computer? Hardware Software Data Users Kafui A. Prebbie -kafui@kafui.com 25 The Parts of

More information

Chapter 2 Basic Computer Configuration

Chapter 2 Basic Computer Configuration CSCA0101 COMPUTING BASICS Chapter 2 1 Topics: Basic Operations Computer Components Computer Categories 2 Computing Terminology Data Data is anything in a form suitable for use with a computer. Information

More information

CSC 121 Computers and Scientific Thinking

CSC 121 Computers and Scientific Thinking CSC 121 Computers and Scientific Thinking David Reed Creighton University Computer Basics 1 What is a Computer? a computer is a device that receives, stores, and processes information different types of

More information

CMSC 1513 Lecture 1.2

CMSC 1513 Lecture 1.2 Key Point: A computer is an electronic device that stores and processes data. Hardware Software Hardware comprises the visible, physical elements of the computer. Software provides the invisible instructions

More information

What is Information Technology. Chapter 1: Computer System. Why use Information Technology? What is Data?

What is Information Technology. Chapter 1: Computer System. Why use Information Technology? What is Data? What is Information Technology Chapter 1: Computer System Information Technology is the direct use of technology to process data. A more formal definition of IT would be: The acquisition, processing, storage

More information

Lecture -1- By lec. (Eng.) Hind Basil University of technology Department of Materials Engineering

Lecture -1- By lec. (Eng.) Hind Basil University of technology Department of Materials Engineering Lecture -1- By lec. (Eng.) Hind Basil University of technology Department of Materials Engineering What is Computer? Computer is an advanced electronic device that takes raw data as input from the user

More information

Total Mark out of 35

Total Mark out of 35 University of Bahrain College of Information Technology Department of Information Systems ITBIS105 Test 1 Version 1 (35 points) 30 Oct 2013 @ 8:00-9:00 AM Student Name: Section: ID Number: Serial Number:

More information

COMPUTER HARDWARE RAYMOND ROSE

COMPUTER HARDWARE RAYMOND ROSE COMPUTER HARDWARE RAYMOND ROSE LEARNING OUTCOMES 1.1 Identify types of computer how they process information, and the purpose and function of different hardware components. Understanding the computer and

More information

Defining Computers. Defining Computers. Understanding Essential Computer Concepts

Defining Computers. Defining Computers. Understanding Essential Computer Concepts Understanding Essential Computer Concepts Defining Computers A high-speed idiot must be told exactly what to do by humans and programs step-by-step instructions An electronic device that accepts input,

More information

Homeschool Enrichment. The System Unit: Processing & Memory

Homeschool Enrichment. The System Unit: Processing & Memory Homeschool Enrichment The System Unit: Processing & Memory Overview This chapter covers: How computers represent data and programs How the CPU, memory, and other components are arranged inside the system

More information

Parts are adapted from Windows 98 by Mark Twain Media, Inc. A Computer System has Hardware and Software

Parts are adapted from Windows 98 by Mark Twain Media, Inc. A Computer System has Hardware and Software Parts are adapted from Windows 98 by Mark Twain Media, Inc. A Computer System has Hardware and Software All the parts--monitor, printer, hard drive, etc.-- cables, cabinets, and programs that make a computer

More information

Masters of Computer Application (MCA) Entrance 2012 Computer Knowledge Paper I 1. All of the following are examples of real security and privacy

Masters of Computer Application (MCA) Entrance 2012 Computer Knowledge Paper I 1. All of the following are examples of real security and privacy Masters of Computer Application (MCA) Entrance 2012 Computer Knowledge Paper I 1. All of the following are examples of real security and privacy risks EXCEPT: A. hackers. B. spam. C. viruses. D. identity

More information

Padasalai.Net s Computer Instructor TRB Exam Study Material Chapter One Introduction to Computer

Padasalai.Net s Computer Instructor TRB Exam Study Material Chapter One Introduction to Computer t et t et w Pai.Net s Computer Instructor TRB Exam Study Material Chapter One Introduction to Computer t t t t Computer A computer is an electronic device, operating under the control of instructions stored

More information

Computer Basics. Lesson 1 Introduction to Computers. Edited by C. Rhodes 08/11

Computer Basics. Lesson 1 Introduction to Computers. Edited by C. Rhodes 08/11 Computer Basics Lesson 1 Introduction to Computers Edited by C. Rhodes 08/11 ESSENTIAL STANDARD Computer Basics ESSENTIAL QUESTIONS What are the parts and features of a computer? What are the functions

More information

Understanding Essential Computer Concepts

Understanding Essential Computer Concepts Microsoft Office 2007 Illustrated Introductory, Windows Vista Edition Understanding Essential Computer Concepts Objectives Learn about computers and technology Types Parts How they work 2 Defining Computers

More information

Computer Overview. A computer item you can physically see or touch. A computer program that tells computer hardware how to operate.

Computer Overview. A computer item you can physically see or touch. A computer program that tells computer hardware how to operate. Hardware Computer Overview A computer item you can physically see or touch. Software A computer program that tells computer hardware how to operate. Information Technology (IT) The broad subject related

More information

TECHNOLOGY IN ACTION. Chapter 2. Alan Evans * Kendall Martin * Mary Anne Poatsy. Looking at Computers: Understanding the Parts

TECHNOLOGY IN ACTION. Chapter 2. Alan Evans * Kendall Martin * Mary Anne Poatsy. Looking at Computers: Understanding the Parts TECHNOLOGY IN ACTION Alan Evans * Kendall Martin * Mary Anne Poatsy Chapter 2 Looking at Computers: Understanding the Parts Understanding Digital Components Understanding Your Computer Input Devices Output

More information

8. A is approximately one billion bytes a. Kilobyte b. Bit c. Gigabyte d. Megabyte 9. SMPT, FTP and DNS are applications of the layer a. Data link b.

8. A is approximately one billion bytes a. Kilobyte b. Bit c. Gigabyte d. Megabyte 9. SMPT, FTP and DNS are applications of the layer a. Data link b. SET 19 1. All of the following are examples of real security and privacy risks except a. Hackers b. Spam c. Viruses d. Identity theft 2. A(n) --- system is a small, wireless handheld computer that scans

More information

CREATED BY M BILAL & Arslan Ahmad Shaad Visit:

CREATED BY M BILAL & Arslan Ahmad Shaad Visit: CREATED BY M BILAL & Arslan Ahmad Shaad Visit: www.techo786.wordpress.com Q1: Define microprocessor? Short Questions Chapter No 01 Fundamental Concepts Microprocessor is a program-controlled and semiconductor

More information

Introduction to the Personal Computer

Introduction to the Personal Computer Introduction to the Personal Computer 2.1 Describe a computer system A computer system consists of hardware and software components. Hardware is the physical equipment such as the case, storage drives,

More information

Computer is an electronic machine that can receive, store, transform and output data of all kinds (image, text, numeric, graphics and sound).

Computer is an electronic machine that can receive, store, transform and output data of all kinds (image, text, numeric, graphics and sound). ELECTRONIC COMPUTERS THEN AND NOW Computer is an electronic machine that can receive, store, transform and output data of all kinds (image, text, numeric, graphics and sound). In the Past (i.e., during

More information

PARTS OF THE COMPUTER. 2nd ESO IES CAP DE LLEVANT

PARTS OF THE COMPUTER. 2nd ESO IES CAP DE LLEVANT PARTS OF THE COMPUTER 2nd ESO IES CAP DE LLEVANT 1. COMPUTING OR INFORMATION TECHNOLOGY The branch of engineering science that studies (with the aid of computers)the procedure of calculating and information

More information

Chapter Contents. Personal Computer Systems Desktop and Portable Computers. Desktop and Portable Computers

Chapter Contents. Personal Computer Systems Desktop and Portable Computers. Desktop and Portable Computers 11.10.011 Chapter Contents Chapter Computer Hardware Section A: Personal Computer Basics Section B: Microprocessors and Memory Section C: Storage Devices Section D: Input and Output Devices Section E:

More information

Computer Hardware. In this lesson we will learn about Computer Hardware, so that we have a better understanding of what a computer is.

Computer Hardware. In this lesson we will learn about Computer Hardware, so that we have a better understanding of what a computer is. In this lesson we will learn about, so that we have a better understanding of what a computer is. USB Port Ports and Connectors USB Cable and Connector Universal Serial Bus (USB) is by far the most common

More information

1.1 Bits and Bit Patterns. Boolean Operations. Figure 2.1 CPU and main memory connected via a bus. CS11102 Introduction to Computer Science

1.1 Bits and Bit Patterns. Boolean Operations. Figure 2.1 CPU and main memory connected via a bus. CS11102 Introduction to Computer Science 1.1 Bits and Bit Patterns CS11102 Introduction to Computer Science Data Storage 1.1 Bits and Their Storage 1.2 Main Memory 1.3 Mass Storage 1.4 Representation of information as bit patterns Bit: Binary

More information

Introduction to computers

Introduction to computers Introduction to Computers 1 Introduction to computers You will learn what are the basic components of a computer system and the rudiments of how those components work. Are Computers Really So Confusing?

More information

Downloaded from various sources on the NET

Downloaded from various sources on the NET Overview Computers. Hardware components of a Computer. Purpose and functions of computer operating systems. Evolution of computer operating systems. Operating systems available today. Downloaded from various

More information

LECTURE SCHEDULE 2. Units of Memory, Hardware, Software and Classification of Computers

LECTURE SCHEDULE 2. Units of Memory, Hardware, Software and Classification of Computers LECTURE SCHEDULE 2 Units of Memory, Hardware, Software and Classification of Computers Units of Memory The memory unit is the principal storage of the computer. All the data and instructions that the computer

More information

Sir Sadiq s computer notes for class IX. Chapter no 4. Storage Devices

Sir Sadiq s computer notes for class IX. Chapter no 4. Storage Devices 17 Q: Define Computer memory or storage. Ans: Memory: Memory refers to the place where data is kept for later use. For example, a human being has a memory where he/she stores the things that can be recalled

More information

4) Apple's OS X and Microsoft Windows are examples of software. A) utility B) application C) operating system D) communication

4) Apple's OS X and Microsoft Windows are examples of software. A) utility B) application C) operating system D) communication Technology in Action Complete, 13e (Evans et al.) Chapter 2 Looking at Computers: Understanding the Parts 1) Computers use language consisting of 0s and 1s. A) symbol B) binary C) byte D) system 2) In

More information

What is Data Storage?

What is Data Storage? What is Data Storage? When we talk about storing data, we mean putting the data in a known place. We can later come back to that place and get our data back again. Writing data or saving data are other

More information

Computers Are Your Future

Computers Are Your Future Computers Are Your Future 2008 Prentice-Hall, Inc. Computers Are Your Future Chapter 6 Inside the System Unit 2008 Prentice-Hall, Inc. Slide 2 What You Will Learn... Understand how computers represent

More information

Introduction. A Look Inside a Laptop Computer. What is inside a laptop computer? What is Inside a Laptop Computer?

Introduction. A Look Inside a Laptop Computer. What is inside a laptop computer? What is Inside a Laptop Computer? What is inside a laptop computer? Introduction What is Inside a Laptop Computer? Watch the video (3:44). Need help? Have you ever looked inside a desktop computer case before? There is a lot of extra room

More information

Copyright 2012 Pearson Education, Inc. Publishing as Prentice Hall

Copyright 2012 Pearson Education, Inc. Publishing as Prentice Hall 1 Technology in Action Chapter 2 Looking at Computers: Understanding the Parts 2 Chapter Topics Functions of a computer Data versus information Bits and bytes Input devices Output devices Processing Storage

More information

1. All of the following are examples of real security and privacy risks EXCEPT: A. hackers. B. spam. C. viruses. D. identity theft. 2.

1. All of the following are examples of real security and privacy risks EXCEPT: A. hackers. B. spam. C. viruses. D. identity theft. 2. COMPUTER-BASED-OBJECTIVE-QUESTIONS www.mission2win.in 1. All of the following are examples of real security and privacy risks EXCEPT: A. hackers. B. spam. C. viruses. D. identity theft. 2. A process known

More information

Unit A: Computer and Internet Basics

Unit A: Computer and Internet Basics Unit A: Computer and Internet Basics TRUE/FALSE 1. Cars and appliances include digital electronics. ANS: T PTS: 1 REF: Concepts 2 2. Usually when people talk about computers, they are talking about a PC.

More information

Full file at

Full file at Exam Name Full file at https://fratstock.eu MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) is data that has been organized or presented in a meaningful

More information

Introduction. Look Inside a Desktop Computer. What is inside a desktop computer? What is Inside a Desktop Computer?

Introduction. Look Inside a Desktop Computer. What is inside a desktop computer? What is Inside a Desktop Computer? What is inside a desktop computer? Introduction What is Inside a Desktop Computer? Watch the video (3:44). Need help? Have you ever looked inside a computer case before? Or seen pictures of the inside

More information

HARDWARE AND OPERATING SYSTEMS

HARDWARE AND OPERATING SYSTEMS HARDWARE AND OPERATING SYSTEMS UNIT 2. IES MIGUEL ESPINOSA - MURCIA 3º ESO HARDWARE AND OPERATING SYSTEMS COMPUTERS LANGUAGE AND FUNCTION Binary System ASCII code Units of information Computer functions

More information

Computer Programming for Engineering

Computer Programming for Engineering Chapter 1 213301 Computer Programming for Engineering Introduction to Computer The Amazing Computer What will be known :- List a few profession in which computers are routinely used and the way computers

More information

Intentionally Blank 0

Intentionally Blank 0 Intentionally Blank 0 Technology in Action Chapter 2 Looking at Computers: Understanding the Parts 1 Understanding Your Computer: Computers are Data Processing Devices Perform four major functions Input:

More information

The personal computer system uses the following hardware device types -

The personal computer system uses the following hardware device types - EIT, Author Gay Robertson, 2016 The personal computer system uses the following hardware device types - Input devices Input devices Processing devices Storage devices Processing Cycle Processing devices

More information

Computer Concepts and C Programming. Unit I 06CCP13

Computer Concepts and C Programming. Unit I 06CCP13 Computer Concepts and C Programming () Unit I Unit Division Unit-I Introducing Computer Systems Interacting with Computer Unit-II Processing Data Storing Data Unit-III Using Operating Systems Networks

More information

The personal computer system uses the following hardware device types -

The personal computer system uses the following hardware device types - EIT, Author Gay Robertson, 2016 The personal computer system uses the following hardware device types - Input devices Input devices Processing devices Storage devices Processing Cycle Processing devices

More information

QUESTIONS ABOUT COMPUTERS

QUESTIONS ABOUT COMPUTERS 1. What is a computer? QUESTIONS ABOUT COMPUTERS A computer is a machine that processes information, in other words, it receives and stores data, performs calculations with this data and presents the results

More information

Lab Determining Data Storage Capacity

Lab Determining Data Storage Capacity Lab 1.3.2 Determining Data Storage Capacity Objectives Determine the amount of RAM (in MB) installed in a PC. Determine the size of the hard disk drive (in GB) installed in a PC. Determine the used and

More information

Computer ANAMIKA ACADEMY. Mo Which function has the ability to move from one web page to another Hyper link

Computer ANAMIKA ACADEMY. Mo Which function has the ability to move from one web page to another Hyper link 1. Which function has the ability to move from one web page to another Hyper link web page? 2. What is the full name of GUI? GRAPHICAL USER INTERFACE 3. Which function keys are used to make spell and mild

More information

Discovering Computers 2008

Discovering Computers 2008 Discovering Computers 2008 Chapter 7 Storage 1 1 Chapter 7 Objectives Differentiate between storage devices and storage media Describe the characteristics of magnetic disks Describe the characteristics

More information

Which type of computer is used to operate large corporate systems and databases

Which type of computer is used to operate large corporate systems and databases Module 1 Sample Part-Test 1.1 This is a sample test only. Test 1 1.1.1 Which type of computer is used to operate large corporate systems and databases 1. Desktop computer 2. Personal Digital Assistant

More information

Computer Systems. Communication (networks, radio links) Meatware (people, users don t forget them)

Computer Systems. Communication (networks, radio links) Meatware (people, users don t forget them) Computers are useful machines, but they are generally useless by themselves. Computers are usually part of a system a computer system includes: Hardware (machines) Software (programs, applications) Communication

More information

ICDL-IT. ICDL The ICDL L4 IT. ICDL-IT ICDL

ICDL-IT. ICDL The ICDL L4 IT.   ICDL-IT ICDL ICDL The ICDL L4 IT https://ensure2pass.com/-exam.html ICDL QUESTION: 1 Ram Can Hold The Data And Programs Which In Currently Use, It Is UN Volatile Memory. A. True B. False QUESTION: 2 With Suitable Applications

More information

Storage. Chapter3 ITBIS105

Storage. Chapter3 ITBIS105 Storage Chapter3 ITBIS105 IS-IT-UOB 2013 Storage What is storage? Holds data, instructions, and information for future use Storage medium is physical material used for storage Also called secondary storage

More information

Sahalsoftware college. Welcome To understanding Basic Computer Concept

Sahalsoftware college. Welcome To understanding Basic Computer Concept Welcome To understanding Basic Computer Concept 1 Chapter1: Understanding Computer Concepts What is a computer? A computer is a machine that takes in data, processes if following a set of instructions

More information

15/09/15. Introduction to Computers & The Internet. Contents. Computer hardware and software. Input and output devices CPU. Memory.

15/09/15. Introduction to Computers & The Internet. Contents. Computer hardware and software. Input and output devices CPU. Memory. Introduction to Computers & The Internet Dr. Ahmad Reeves Computer Science Dep. Lecture 2 Contents Computer hardware and software Input and output devices CPU Memory Storage Motherboard Computers Have

More information

Topic 4: Storage Devices

Topic 4: Storage Devices Topic 4: Storage Devices 4.1 Introduction A storage device is a computer peripheral which is used to store data and programs for a specific interval of time. A computer system usually contains several

More information

lesson 3 Transforming Data into Information

lesson 3 Transforming Data into Information essential concepts lesson 3 Transforming Data into Information This lesson includes the following sections: How Computers Represent Data How Computers Process Data Factors Affecting Processing Speed Extending

More information

Basic PC: How do you turn on this darn thing?

Basic PC: How do you turn on this darn thing? Basic PC: How do you turn on this darn thing? What is the computer? Basic PC: How do you turn on this darn thing? A computer is a device that accepts information and manipulates it for some result. It

More information

Introduction To Computer Hardware

Introduction To Computer Hardware Introduction To Computer Hardware In this section of notes you will learn what are the basic parts of a computer and how they work. High Level View Of A Computer Buses Connect the different parts of the

More information

About the Presentations

About the Presentations About the Presentations The presentations cover the objectives found in the opening of each chapter. All chapter objectives are listed in the beginning of each presentation. You may customize the presentations

More information

8. A ---- represents approximately one billion memory location a. Kilobyte b. Megabyte c. Gigabyte d. Terabyte 9. A collection of programs that

8. A ---- represents approximately one billion memory location a. Kilobyte b. Megabyte c. Gigabyte d. Terabyte 9. A collection of programs that SET 9 1. In Oracle, what is the default number of transactions that MAXTRANS is set to if not specified a. 512 b. 10 c. 40 d. 1 e. 255 2. Which of the following groups consist of only input devices a.

More information

Allahabad Bank Probationary Officers Exam., 2010 (Held on ) Computer Knowledge : Solved Paper

Allahabad Bank Probationary Officers Exam., 2010 (Held on ) Computer Knowledge : Solved Paper Allahabad Bank Probationary Officers Exam., 2010 (Held on 21-2-2010) Computer Knowledge : Solved Paper 1. A typically connects personal computers within a very limited geographical area, usually within

More information

A+ Guide to Hardware: Managing, Maintaining, and Troubleshooting, 5e. Chapter 1 Introducing Hardware

A+ Guide to Hardware: Managing, Maintaining, and Troubleshooting, 5e. Chapter 1 Introducing Hardware : Managing, Maintaining, and Troubleshooting, 5e Chapter 1 Introducing Hardware Objectives Learn that a computer requires both hardware and software to work Learn about the many different hardware components

More information

STORAGE & FILE CONCEPTS, UTILITIES

STORAGE & FILE CONCEPTS, UTILITIES STORAGE & FILE CONCEPTS, UTILITIES (Pages 6, 150-158 - Discovering Computers & Microsoft Office 2010) I. Computer files data, information or instructions residing on secondary storage are stored in the

More information

SECTION 2 (Part B) Types And Components Of Computer Systems. Sophia Pratzioti

SECTION 2 (Part B) Types And Components Of Computer Systems. Sophia Pratzioti SECTION 2 (Part B) Types And Components Of Computer Systems 2 Hardware & Software Hardware: is the physical parts of the computer system the part that you can touch and see. Hardware can be either external

More information

Lecture 4 Today s Goal

Lecture 4 Today s Goal Lecture 4 Today s Goal To learn to classify computers according to their capability and targeted applications To find out about the essential building blocks that make up a modern computer Computer Types

More information

Main Parts of Personal Computer

Main Parts of Personal Computer Main Parts of Personal Computer System Unit The System Unit: This is simply the box like case called the tower, which houses the motherboard, which houses the CPU. It also houses all the drives, such as

More information

Pharmacy college.. Assist.Prof. Dr. Abdullah A. Abdullah

Pharmacy college.. Assist.Prof. Dr. Abdullah A. Abdullah The kinds of memory:- 1. RAM(Random Access Memory):- The main memory in the computer, it s the location where data and programs are stored (temporally). RAM is volatile means that the data is only there

More information

Chapter 4 The Components of the System Unit

Chapter 4 The Components of the System Unit Chapter 4 The Components of the System Unit The System Unit What is the system unit? Case that contains electronic components of the computer used to process data Sometimes called the chassis p. 184 Fig.

More information

Microsoft Office and How to Purchase a Personal Computer

Microsoft Office and How to Purchase a Personal Computer Microsoft Office 2007 Essential Introduction to Computers and How to Purchase a Personal Computer Objectives Define the term computer and discuss the four basic computer operations: input, processing,

More information

INFORMATION SYSTEM PARTS AND COMPUTER TYPES

INFORMATION SYSTEM PARTS AND COMPUTER TYPES INFORMATION SYSTEM PARTS AND COMPUTER TYPES PARTS OF INFORMATION SYSTEM People are end users who use computers to make themselves more productive. Hardware refers to the physical components of your computer

More information

Download from Powered By JbigDeaL

Download from  Powered By JbigDeaL 1. If a word is typed that is not in Word s dictionary, a wavy underline appears below the word. (A) red (B) green (C) blue (D) black 2. The button on the quick access Toolbar allows you to cancel your

More information

System Unit Components Chapter2

System Unit Components Chapter2 System Unit Components Chapter2 ITBIS105 IS-IT-UOB 2013 The System Unit What is the system unit? Case that contains electronic components of the computer used to process data Sometimes called the chassis

More information

Common Technology Words and Definitions

Common Technology Words and Definitions Common Technology Words and Definitions 77 78 Common Technology Words and Definitions: ASCII American Standard Code for Information Interchange, a code that makes it possible to send information from one

More information

2011 Francisco Delgadillo

2011 Francisco Delgadillo 1800 s: Analytical Engine Charles Babbage Dawn of Human Concept of Numbers Abacus 1642: Pascal s Machine 1880: Mechanical Tabulator Herman Hollerith 1674: Leibniz Calculating Machine 1911: Hollerith s

More information

Q1. Briefly describe the characteristic features of input and output devices of a computer system.

Q1. Briefly describe the characteristic features of input and output devices of a computer system. Q1. Briefly describe the characteristic features of input and output devices of a computer system. Answer-> Characteristic of input and output devices of a computer system: Input Devices: An input device

More information

MAJMA'AH UNIVERSITY. Introduction to Computer

MAJMA'AH UNIVERSITY. Introduction to Computer MAJMA'AH UNIVERSITY Introduction to Computer 1 What are computers? Computers are electronic devices that accepts input or data from users, and then process it and then produce information. data processing

More information

Second Generations Computers( )

Second Generations Computers( ) Second Generations Computers(1954-1962) Second Generations Computers(1954-1962) The invention of the transistor greatly changed the computer's development in 1948. The transistor replaced the large, cumbersome

More information

1. Restarting a computer which is already running is referred to as

1. Restarting a computer which is already running is referred to as Computer Knowledge 1. Restarting a computer which is already running is referred to as (1) booting (2) starting (3) rebooting (4) second-starting 2. If you open a menu and then decide you don t want to

More information

COMPUTER SYSTEMS. Section 1

COMPUTER SYSTEMS. Section 1 COMPUTER SYSTEMS Section 1 BITS AND BYTES In order for information to flow through a computer system and be in a form suitable for processing, all symbols, pictures, or words must be reduced to a string

More information

Computer Skills Revision. By: Rana Hammady

Computer Skills Revision. By: Rana Hammady Computer Skills Revision By: Rana Hammady 1 Chapter 1 2 Introduction to Computer and Information Technology Definitions Computer tasks Uses of computer system History of computers and computer generations

More information

c. Compiler d. Program 9. To maximize a window means a. Fill it to capacity b. Expand it to fit the desktop c. Put only like files inside d.

c. Compiler d. Program 9. To maximize a window means a. Fill it to capacity b. Expand it to fit the desktop c. Put only like files inside d. SET 14 1. In Excel --- contains one or more worksheets a. Template b. Workbook c. Active cell d. Label 2. Which of the following is a popular programming language for developing multimedia web pages, websites

More information

Agenda Computer Hardware Input Devices Output Devices Secondary Storage Computer Software System Software Application Software Working with Windows

Agenda Computer Hardware Input Devices Output Devices Secondary Storage Computer Software System Software Application Software Working with Windows Agenda Computer Hardware Input Devices Output Devices Secondary Storage Computer Software System Software Application Software Working with Windows A Computer is a device which allows you to Input raw

More information

Chapter 1 Introduction to Computers

Chapter 1 Introduction to Computers Discovering Computers 2008 Chapter 1 Introduction to Computers Chapter 1 Objectives Recognize the importance of computer literacy Define the term, computer Identify the components of a computer Discuss

More information

Chapter I The System Unit

Chapter I The System Unit Date :../. / Chapter I The System Unit Day :.. Mother Board System Unit Types Desktop System Units Notebook System Units Tablet PC System Units Handheld Computer System Units System Board " Motherboard"

More information