Technology in Action. Alan Evans Kendall Martin Mary Anne Poatsy. Tenth Edition. Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall

Size: px
Start display at page:

Download "Technology in Action. Alan Evans Kendall Martin Mary Anne Poatsy. Tenth Edition. Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall"

Transcription

1 Technology in Action Alan Evans Kendall Martin Mary Anne Poatsy Tenth Edition Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall

2 Technology in Action Chapter 2 Looking at Computers Understanding the Parts Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall

3 Chapter Topics Understanding Your Computer Input Devices and Output Devices Processing, Memory, and Storage Ports and Power Controls Setting It All Up Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 2

4 Understanding Your Computer Computers are Data Processing Devices Performs four major functions Input: Gathers data, allows users to enter data Process: Manipulates, calculates, or organizes data into information Output: Displays data and information for user Storage: Saves data and information for later use Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 3

5 Understanding Your Computer Computers are Data Processing Devices (cont.) Data: Representation of a fact, figure, or idea Information: Data that has been organized or presented in a meaningful fashion Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 4

6 Understanding Your Computer Bits and Bytes: The Language of Computers The language of computers Bit Binary digit 0 or 1 Byte 8 bits Each letter, number, or character is a unique combination of 8 bits of 0s and 1s Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 5

7 Understanding Your Computer Bits and Bytes: The Language of Computers (cont.) Name Abbreviation Number of Bytes Byte B 1 byte Kilobyte KB 1,024 bytes (2 10 ) Megabyte MB 1,048,576 bytes (2 20 bytes) Gigabyte GB 1,073,741,824 bytes (2 30 bytes) Terabyte TB 1,099,511,627,776 bytes (2 40 bytes) Petabyte PB 1,125,899,906,842,62 bytes (2 50 bytes) Exabyte EB 1,152,921,504,606,846,976 bytes (2 60 bytes) Zettabyte ZB 1,180,591,620,717,411,303,424 bytes (2 70 bytes) Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 6

8 Understanding Your Computer Bits and Bytes: The Language of Computers (cont.) Computer uses combination of hardware and software to process data into information Hardware is any part of the computer you can physically touch Software is set of computer programs Application software System software Operating system (OS) Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 7

9 Understanding Your Computer Types of Computers Two basic designs of computers Portable Laptop computers Netbooks Tablet PCs Tablet computer Ultrabooks Stationary Desktop computers Separate case plus peripheral devices All-in-one computers Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 8

10 Understanding Your Computer Types of Computers (cont.) Mainframe Supports many users simultaneously Supercomputer Performs complex calculations extremely rapidly Embedded Self-contained computer devices performing dedicated functions Smartphone Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 9

11 Input Devices Devices used to enter data and instructions into the computer Most common input devices: Keyboards to enter typed data and commands Mouse to enter responses and commands Other input devices: Microphone to input sounds Scanner to input nondigital text Digital camera to input digital images Stylus to tap commands or draw on screen Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 10

12 Input Devices Keyboards QWERTY layout is standard on most PCs Netbook and laptop keys are more compact and have fewer keys Wireless keyboards work via radio frequencies Alternative keyboards Flexible keyboards Virtual laser keyboard Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 11

13 Input Devices Mice and Other Pointing Devices Optical mouse Internal sensor or laser detects movement Moves pointer on the screen Wireless mouse Optical and trackball Data sent by radio frequency (RF) or Bluetooth technology Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 12

14 Input Devices Mice and Other Pointing Devices (cont.) Touch pads and trackpoint devices Take place of mouse on laptops Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 13

15 Input Devices Mice and Other Pointing Devices (cont.) Game controllers send data to computer Joysticks Game pads Steering wheels Most game controllers are wireless to provide extra mobility Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 14

16 Input Devices Touch Screens Display screen that responds to commands by touch with finger or stylus Becoming popular on many computing devices Smartphones Tablet PCs Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 15

17 Input Devices Image Input Digital cameras, camcorders, cell phones Capture pictures and video Scanners Create digital image Webcams Capture and transmit live video Used for videoconferences Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 16

18 Input Devices Sound Input A microphone (mic) captures sound waves and transfer them to digital format Sound input allows Video conferencing Audio conferencing Chatting with friends or family over the Internet instead of using a phone Recording podcasts Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 17

19 Input Devices Sound Input (cont.) Close talk microphones Omnidirectional Unidirectional Clip-on microphones Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 18

20 Output Devices Enable you to send processed data out of the computer in the form of text, pictures, sounds, or video Monitors Printers Speakers and earphones Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 19

21 Output Devices Monitors Liquid crystal display (LCD) Flat panel Light and energy efficient Light-emitting diode (LED) More energy efficient than LCD monitors Better color accuracy and thinner panels Organic light-emitting diode (OLED) Use organic compounds that produce light Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 20

22 Output Devices Monitors (cont.) How LCD Monitors work Screens are grids made up of millions of tiny dots called pixels Each pixel is composed of red, blue, and green subpixels (and sometimes yellow) Two or more sheets of material are filled with liquid crystal solution Crystals block or let light shine through to cause images to form on the screen Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 21

23 Output Devices Monitors (cont.) Choosing an LCD Monitor Aspect ratio width to height proportion Resolution number of pixels displayed on screen Contrast ratio difference in light intensity between brightest white and darkest black Viewing angle distance in degrees from which you can move to the side of (or above or below) a monitor Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 22

24 Output Devices Monitors (cont.) Choosing an LCD Monitor (cont.) Brightness greatest amount of light showing when the monitor is displaying pure white Response time time it takes for a pixel to change color Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 23

25 Output Devices Monitors (cont.) The bigger the monitor, the more you can display 27-inch monitor pixels 21.5-inch monitor pixels Blu-ray movies Require at least pixels Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 24

26 Inkjet printers Output Devices Printers Spray tiny drops of ink onto page Laser printers Use laser beams and static electricity to deliver toner to page Nonimpact printers have replaced impact printers almost entirely Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 25

27 Inkjet Affordable High-quality color printouts Quick and quiet Output Devices Printers (cont.) Laser Faster printing speed Higher quality printouts More expensive Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 26

28 Wireless printer No wires Output Devices Printers (cont.) Several people can print to same printer from different places Two types WiFi and Bluetooth Range of up to approx. 300 feet WiFi sends data more quickly Allows you to print from portable devices Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 27

29 All-in-one printer Output Devices Printers (cont.) Functions as printer, scanner, copier, and fax Plotter Used to print oversize images Thermal printer Emerging as popular technology for mobile and portable printing Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 28

30 Selecting a Printer Output Devices Printers (cont.) Decide your primary printing need first Speed (pages per minute) Resolution (dots per inch) Color output Cost of consumables Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 29

31 Sound Output Speaker is output device for sound Inexpensive speakers come with computers Surround-sound speakers Wireless speaker systems Headphones or earbuds avoid distracting others Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 30

32 Processing and Memory on the Motherboard Motherboard: Main circuit board containing central electronic components of the computer CPU ROM, RAM, and cache Slots for expansion cards Network interface card (NIC) Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 31

33 Processing and Memory on the Motherboard Memory RAM Random access memory Stores instructions and data Series of several memory cards or modules Temporary (volatile) storage ROM Read-only memory Stores startup instructions Permanent (nonvolatile) storage Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 32

34 Processing and Memory on the Motherboard Processing Central Processing Unit Also called CPU or processor Referred to as the brains of the computer Controls all functions performed by the computer s other components Processes all commands and instructions Can perform billions of tasks per second Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 33

35 Processing and Memory on the Motherboard Processing (cont.) CPU Performance Measures Processor speed measured in hertz (Hz) Megahertz (MHz) or gigahertz (GHz) Number of cores Single Dual Quad Eight Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 34

36 Storing Data and Information Hard Drives Primary device for permanent storage Holds stored programs and data Internal hard drive Inside the system Holds all permanently stored programs and data Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 35

37 Storing Data and Information Hard Drives (cont.) External hard drive Resides outside the system Connects via USB or FireWire port Solid-State Drive (SSD) No moving parts Runs with no noise Emits little heat Requires little power Less likely to fail Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 36

38 Storing Data and Information Internal drive bays Hard Drives (cont.) Reserved for internal hard drives External drive bays House CD or DVD drives Notebook expansion attaches external drive via USB port Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 37

39 Storing Data and Information External hard drives Large portable storage needs Flash Storage Small and lightweight Attach to computer via USB port Care must be taken when transporting Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 38

40 Storing Data and Information Flash Storage (cont.) Flash drive (jump drive, USB drive, thumb drive) Use solid-state flash memory No moving parts Significant storage capacity Plug into USB ports Appears as another disk drive Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 39

41 Storing Data and Information Flash Memory (cont.) Flash memory card Convenience means of portable storage Uses solid-state flash memory Allows you to transfer digital data between computer and devices Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 40

42 Storing Data and Information Optical Storage Compact discs (CDs) Initially used to store audio files Digital video discs (DVDs) Store more data than CDs Blu-ray discs (BDs) Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 41

43 Connecting Peripherals to the Computer A port is a place through which a peripheral device attaches to computer Many ports are located on the back of the computer Some commonly used ports are placed on the front and sides for easier access Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 42

44 Connecting Peripherals to the Computer High-Speed and Data Transfer Ports Universal serial bus (USB) is the most common port type used to connect input and output devices to a computer USB 2.0 port is current standard Transfer data at 480 megabits per second New USB 3.0 standard provides transfer speeds that are 10 times faster Should quickly become the port of choice Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 43

45 Connecting Peripherals to the Computer High-Speed and Data Transfer Ports (cont.) FireWire 400 Moves data at 400 Mbps FireWire 800 Doubles rate to 800 Mbps FireWire 3200 Has been ratified Yet to reach market Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 44

46 Connecting Peripherals to the Computer Connectivity and Multimedia Ports Connectivity port can give access to networks and the Internet Ethernet port Modem port Audio ports Connect headphones, microphones, speakers Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 45

47 Connecting Peripherals to the Computer Connectivity and Multimedia Ports Video ports Connect monitors and multimedia devices Video graphics array (VGA) - port to connect older LCD monitors Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 46

48 Connecting Peripherals to the Computer Connectivity and Multimedia Ports (cont.) Digital video interface (DVI): Ports used to connect newer LCD monitors and other multimedia devices High-definition multimedia interface (HDMI) Digital connector for use in HD home theater environments Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 47

49 Connecting Peripherals to the Computer Adding Ports: Expansion Cards and Hubs Expansion cards New port standards Expansion hubs Enable several devices to be connected to a port Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 48

50 Power Controls Power supply transforms wall voltage to voltages required by computer chips Cold boot: Powering on your computer from a completely turned-off state Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 49

51 Power Controls (cont.) Sleep Mode Main method of power management in Windows 8 Documents, applications, data remain in RAM Hibernate Similar to Sleep All data is stored on hard drive Computer is powered off Warm boot Restarting the system while it s powered on Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 50

52 Setting It All Up Ergonomics refers to how you set up your computer to minimize risk of injury, discomfort, or eyestrain Guidelines to follow Position monitor correctly Use adjustable chair Assume proper position while typing Take breaks from computer Ensure that lighting is adequate Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 51

53 Setting It All Up (cont.) Mobile computing devices present challenges to injury prevention Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 52

54 Setting It All Up (cont.) Devices for People with Disabilities Voice recognition Keyboards with larger keys Keyboards that display on touch screens Specialized input consoles Keyboards designed for one hand Special trackballs Head-mounted pointing devices Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 53

55 Chapter 2 Summary Questions 1. What exactly is a computer, and what are its four main functions? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 54

56 Chapter 2 Summary Questions 2. What is the difference between data and information? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 55

57 Chapter 2 Summary Questions 3. What are bits and bytes, and how are they measured? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 56

58 Chapter 2 Summary Questions 4. What devices can I use to get data into the computer? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 57

59 Chapter 2 Summary Questions 5. What devices can I use to get information out of the computer? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 58

60 Chapter 2 Summary Questions 6. What s on the motherboard? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 59

61 Chapter 2 Summary Questions 7. Where are information and programs stored? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 60

62 Chapter 2 Summary Questions 8. How are devices connected to the computer? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 61

63 Chapter 2 Summary Questions 9. What s the best way to turn my computer on and off and when should it be done? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 62

64 Chapter 2 Summary Questions 10. How do I set up my computer to avoid strain and injury? Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall 63

65 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America. Copyright 2014 Pearson Education, Inc. Publishing as Prentice Hall

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

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

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

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

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

2) Computers use a language consisting of 0s and 1s. A) symbol B) binary C) byte D) system

2) Computers use a language consisting of 0s and 1s. A) symbol B) binary C) byte D) system Technology In Action, Complete, 14e (Evans et al.) Chapter 2 Looking at Computers: Understanding the Parts 1) What is the difference between data and information? A) Data represents a fact. Information

More information

Chapter Topics. Data vs. Information. Metric prefixes. How Much Is a Byte? Computers Are Data Processing Devices

Chapter Topics. Data vs. Information. Metric prefixes. How Much Is a Byte? Computers Are Data Processing Devices Chapter Topics Chapter 2 Looking at Computers: Understanding the Parts Functions of a computer Data versus information Bits and bytes Input devices Output devices System unit Ergonomics 1 Computers Are

More information

Technology in Action, Helpdesk, 14e (Evans et al.) Chapter 2 Helpdesk: Using Output Devices

Technology in Action, Helpdesk, 14e (Evans et al.) Chapter 2 Helpdesk: Using Output Devices Technology in Action, Helpdesk, 14e (Evans et al.) Chapter 2 Helpdesk: Using Output Devices 1) Two of the most important factors to consider when choosing an LCD monitor are its resolution and. A) refresh

More information

Technology In Action, Complete, 14e (Evans et al.) Chapter 2 Looking at Computers: Understanding the Parts

Technology In Action, Complete, 14e (Evans et al.) Chapter 2 Looking at Computers: Understanding the Parts Technology In Action Introductory 14th Edition Evans TEST BANK Full download at: https://testbankreal.com/download/technology-action-introductory-14thedition-evans-test-bank/ Technology In Action, Complete,

More information

Computers Are Data Processing Devices

Computers Are Data Processing Devices Computers Are Data Processing Devices A computer s five functions: Inputs data Stores data Does arithmetic (add, subtract, multiply, divide) Outputs data Makes decisions 1 Data vs. Information Data: Representation

More information

Lesson 5 Computer Hardware

Lesson 5 Computer Hardware Computer Hardware Computer Literacy BASICS: A Comprehensive Guide to IC 3, 5 th Edition 1 Objectives Describe how a computer represents data. Identify system components for input and output. Define input

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

True/False Indicate whether the statement is true or false. Bubble A for True and B for False

True/False Indicate whether the statement is true or false. Bubble A for True and B for False 1A Name _ Midterm Review Part 1 Lesson 1 and 2 True/False Indicate whether the statement is true or false. Bubble A for True and B for False 1. A computer is an electronic device that receives data (input),

More information

True/False Indicate whether the statement is true or false. Bubble A for True and B for False

True/False Indicate whether the statement is true or false. Bubble A for True and B for False 1 Name Midterm Review Part 1 Lesson 1 and 2 "B" True/False Indicate whether the statement is true or false. Bubble A for True and B for False 1. Eight bits are equal to one byte. 2. A computer is an electronic

More information

Identify Components of the. Motherboard

Identify Components of the. Motherboard Identify Components of the Chipset Motherboard Collection of chips that work together to provide the switching circuitry needed to move data throughout the computer 2013 Pearson Education, Inc. Publishing

More information

Digital Planet: Tomorrow s Technology and You. George Beekman Ben Beekman. Tenth Edition

Digital Planet: Tomorrow s Technology and You. George Beekman Ben Beekman. Tenth Edition Digital Planet: Tomorrow s Technology and You George Beekman Ben Beekman Tenth Edition Digital Planet: Tomorrow s Technology and You Chapter 3 Hardware Basics Peripherals Chapter 3 Objectives List several

More information

Computers Are Your Future

Computers Are Your Future Computers Are Your Future 2006 Prentice-Hall, Inc. Computers Are Your Future Chapter 7 Input/Output and Storage 2006 Prentice-Hall, Inc Slide 2 Input Input is any data entered into the computer s memory

More information

BACK TO BASICS PART I. Hardware & it s Associated Terminology

BACK TO BASICS PART I. Hardware & it s Associated Terminology BACK TO BASICS PART I Hardware & it s Associated Terminology INTRODUCTION The purpose of this session is to review computer hardware & its associated terminology WHY? Everyone on the same page Better understanding

More information

Computers Are Your Future Prentice-Hall, Inc.

Computers Are Your Future Prentice-Hall, Inc. Computers Are Your Future 2006 Prentice-Hall, Inc. Computers Are Your Future Chapter 7 Input/Output and Storage 2006 Prentice-Hall, Inc Slide 2 What You Will Learn About ü The purpose of special keys and

More information

PowerPoint Presentation to Accompany. Chapter 4. Hardware. Copyright 2014 Pearson Educa=on, Inc. Publishing as Pren=ce Hall

PowerPoint Presentation to Accompany. Chapter 4. Hardware. Copyright 2014 Pearson Educa=on, Inc. Publishing as Pren=ce Hall PowerPoint Presentation to Accompany Chapter 4 Hardware Objectives 1. Explain the function of the CPU. 2. Identify the parts of a system unit and motherboard. 3. Compare different types of storage devices.

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 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

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

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

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

Input: is any data or instructions that are used by a computer.

Input: is any data or instructions that are used by a computer. 1 What is input? Input: is any data or instructions that are used by a computer. Input devices: are hardware used to translate words, sounds, images, and actions that people understand into a form that

More information

Computers Are Your Future

Computers Are Your Future Computers Are Your Future Twelfth Edition Chapter 2: Inside the System Unit Copyright 2012 Pearson Education, Inc. Publishing as Prentice Hall 1 Inside the Computer System Copyright 2012 Pearson Education,

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

Arithmetic/logic Unit (ALU)

Arithmetic/logic Unit (ALU) 3D Printer Arithmetic/logic Unit (ALU) Barcode Barcode Printer Barcode Reader Biometric Reader BIOS (Basic input/output system) Bit Bus Bus Interface Unit A printer that uses molten plastic during a series

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

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

Components of a personal computer

Components of a personal computer Components of a personal computer Computer systems ranging from a controller in a microwave oven to a large supercomputer contain components providing five functions. A typical personal computer has hard,

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

St. Benedict s High School. Computing Science. Information Systems Design & Development. (Part 2 Computer Systems) National 5

St. Benedict s High School. Computing Science. Information Systems Design & Development. (Part 2 Computer Systems) National 5 Computing Science Information Systems Design & Development (Part 2 Computer Systems) National 5 Hardware & software Learning Intentions After studying this topic you should be able to understand and describe:

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

Computers Are Your Future

Computers Are Your Future Computers Are Your Future Twelfth Edition Chapter 3: Input/Output and Storage Copyright 2012 Pearson Education, Inc. Publishing as Prentice Hall 1 Input/Output & Storage Copyright 2012 Pearson Education,

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

Lesson 2: Input, Output, and Processing

Lesson 2: Input, Output, and Processing Lesson 2: Input, Output, and Processing TRUE/FALSE 1. After data is processed, it is presented to the user through an input device. ANS: F REF: Mod1-28 2. A laser virtual keyboard is packaged in a case

More information

Lesson 1: Computer Concepts

Lesson 1: Computer Concepts Lesson 1: Computer Concepts Learning Objectives After studying this lesson, you will be able to: Identify the basic parts of a computer system Describe the difference between random access memory and storage

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

By Dr. Samaher Hussein Ali

By Dr. Samaher Hussein Ali Department of Information Networks The University of Babylon LECTURE NOTES ON Evolving Technology of Laptops By Dr. Samaher Hussein Ali College of Information Technology, University of Babylon, Iraq Samaher@itnet.uobabylon.edu.iq

More information

card slots CPU socket Monitor Computer case houses CPU (Central Processing Unit), CPU central power supply, DVD drive, etc processing unit Keyboard

card slots CPU socket Monitor Computer case houses CPU (Central Processing Unit), CPU central power supply, DVD drive, etc processing unit Keyboard Why Are Words Important? Terminology Chapter 1 Connection between language and thought 1984 and Newspeak Wine appreciation Communication with others "The cup holder on my PC is broken"* Where is the computer?

More information

Lesson 2 Essential Computer Concepts

Lesson 2 Essential Computer Concepts Essential Computer Concepts Computer Literacy BASICS: A Comprehensive Guide to IC 3, 3 rd Edition 1 Objectives Identify and describe standard and specialized input devices. Identify and describe standard

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

TOPIC Quiz 1 CRT is an acronym for crystal ray tube. cathode ray tube. cathode read tube. clear read tube. None of above Bit is short for kilobyte.

TOPIC Quiz 1 CRT is an acronym for crystal ray tube. cathode ray tube. cathode read tube. clear read tube. None of above Bit is short for kilobyte. TOPIC Quiz 1 CRT is an acronym for crystal ray tube. 1 cathode ray tube. cathode read tube. clear read tube. Bit is short for kilobyte. 2 binary digit. byte. megabyte. Color printers have separate toner

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

Chapter 2 Computer Hardware

Chapter 2 Computer Hardware Chapter 2 Computer Hardware Learning Objectives LO2.1: Understand how data is represented to a computer LO2.2: Identify the parts inside the system unit LO2.3: Explain how the CPU works LO2.4: Describe

More information

Personal computer hardware From Wikipedia, the free encyclopedia (Redirected from Computer hardware)

Personal computer hardware From Wikipedia, the free encyclopedia (Redirected from Computer hardware) Personal computer hardware From Wikipedia, the free encyclopedia (Redirected from Computer hardware) Personal computer hardware are component devices which are typically installed into or peripheral to

More information

Homeschool Enrichment. Input & Output

Homeschool Enrichment. Input & Output Homeschool Enrichment Input & Output Overview This chapter covers: Different types of keyboards and pointing devices Types of scanners, readers, and digital cameras What audio input is Types of display

More information

Types of Data. PE 231 Education Media AND Technology. Information. Assessment. Information Concepts

Types of Data. PE 231 Education Media AND Technology. Information. Assessment. Information Concepts Types of Data Data Represented by PE 231 Education Media AND Technology Alphanumeric data Image data Audio data Numbers, letters, and other characters Graphic images or pictures Sound, noise, tones Video

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 Chapter 4 Objectives Differentiate among various styles of of system units Differentiate among the the various types of of memory Identify chips, adapter cards,

More information

Discovering Computers 2012

Discovering Computers 2012 Discovering Computers 2012 Your Interactive Guide to the Digital World Edited by : Asma AlOsaimi The System Unit Memory The inside of the system unit on a desktop personal computer includes: Drive bay(s)

More information

COMPUTER ORGANIZATION & SKILLS

COMPUTER ORGANIZATION & SKILLS UNIVERSITY OF BABYLON 2018/ 2019 COLLEGE OF SCIENCE FOR WOMEN FIRST CLASS COMPUTER DEPARTMENT COMPUTER ORGANIZATION & SKILLS LECTURES PREPARED BY: LECTURER: Ahmed Mohammed Hussein 2018-2019 0University

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

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

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

Computer Basics PC-100

Computer Basics PC-100 Computer Basics PC-100 Course Group Overview PC-100 Computer Basics PC-101 Intro to Operating Systems and Window s Basics PC-102 Computer Programs and File Management PC-103 Computer Security PC-104 The

More information

Ink Jet Printers The most common type of computer printer for the consumer market An ink jet printer places an image onto a piece of paper by

Ink Jet Printers The most common type of computer printer for the consumer market An ink jet printer places an image onto a piece of paper by PERIPHERAL DEVICES PRINTERS a printer is a peripheral which produces a text or graphics of documents stored in electronic form into a physical print media such as paper or transparencies. Printer quality

More information

Chapter 2. Prepared By: Humeyra Saracoglu

Chapter 2. Prepared By: Humeyra Saracoglu Chapter 2 The Components of the System Unit Prepared By: Humeyra Saracoglu The System Unit What is the system unit? Case that contains electronic components of the computer used to process data Sometimes

More information

FUNCTIONS OF COMPONENTS OF A PERSONAL COMPUTER

FUNCTIONS OF COMPONENTS OF A PERSONAL COMPUTER FUNCTIONS OF COMPONENTS OF A PERSONAL COMPUTER Components of a personal computer - Summary Computer Case aluminium casing to store all components. Motherboard Central Processor Unit (CPU) Power supply

More information

Question. Announcement. Computer Hardware. Definition of a Computer. Essential Parts. The Box (CPU) input/output device that processes information

Question. Announcement. Computer Hardware. Definition of a Computer. Essential Parts. The Box (CPU) input/output device that processes information Question Announcement What are the three essential components of a modern computer? Be general or specific Definition of a Computer A computer is an device that receives information (input), processes

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

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

Chapter 1. Computer Fundamentals-I

Chapter 1. Computer Fundamentals-I 1. Input Devices: Chapter 1. Computer Fundamentals-I The devices which are used to input the data and the programs in the computer are known as "Input Devices" or Input device can read data and convert

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

What is Output? p Fig. 6-1 Next

What is Output? p Fig. 6-1 Next Output What is Output? What is output? Data that has been processed into a useful form, called information Output device is any hardware component that can convey information to user p. 6.06 Fig. 6-1 Next

More information

2016 P C Basics Page 1

2016 P C Basics Page 1 PC Basics with Windows 10 Introduction to PCs Mercer County Library System Brian M. Hughes, County Executive A. The Equipment: External Hardware & Internal Hardware 1. CD-ROM CD-ROMs are compact discs,

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

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

Computer Hardware. Lect 3: Input / System Unit/Output & Storage

Computer Hardware. Lect 3: Input / System Unit/Output & Storage Computer Hardware Lect 3: Input / System Unit/Output & Storage 1 Input Devices: Giving Commands Input is any data or instructions that are entered into a computer. An input device is a type of hardware

More information

PC Basics Introduction to PCs

PC Basics Introduction to PCs PC Basics Introduction to PCs A. The Equipment: External Hardware & Internal Hardware 1. CD-ROM CD-ROMs are Compact Discs, read-only, removable data storage media. CD Drives read the data encoded on the

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

Chapter 2: A Closer Look at Hardware and Software

Chapter 2: A Closer Look at Hardware and Software Understanding Computers in a Changing Society, 3 rd Edition Chapter 2: A Closer Look at Hardware and Software Learning Objectives Understand how data is represented to a computer. Identify several types

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

20-Dec-16. Objectives Overview. What Is Output? Objectives Overview. What Is Output? Display devices. Discovering Computers 2012

20-Dec-16. Objectives Overview. What Is Output? Objectives Overview. What Is Output? Display devices. Discovering Computers 2012 Objectives Overview Describe the types of output Explain the characteristics of various display devices Describe the factors that affect the quality of an LCD monitor or LCD screen Discovering Computers

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

BUYING A COMPUTER TERM 2 AIT

BUYING A COMPUTER TERM 2 AIT BUYING A COMPUTER TERM 2 AIT HARDWARE COMPONENTS AND FUNCTIONS describe the components of a multimedia computer system processing (central processing unit) input devices e.g. mouse, keyboard output 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

COMPUTING FUNDAMENTALS

COMPUTING FUNDAMENTALS CSC-110 COMPUTING FUNDAMENTALS INPUT, OUTPUT, AND STORAGE COURSE INSTRUCTOR: ENGR. REEMA QAISER KHAN INPUT, OUTPUT, AND STORAGE Different kinds of computers accept input from different sources. For example,

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

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

Unit 4 Part A Evaluating & Purchasing a Computer. Computer Applications

Unit 4 Part A Evaluating & Purchasing a Computer. Computer Applications Unit 4 Part A Evaluating & Purchasing a Computer Computer Applications Making Informed Computer Purchasing Decisions Before Buying a Computer Speaking the language of the computer world can be tricky It

More information

Hardware & Input/Output

Hardware & Input/Output Hardware & Input/Output CIT 100 Norm Downey Why Binary? Binary is a numbering system that uses only two digits 0 s and 1 s Electricity within a computer s circuitry can only be in one of two states: On

More information

Sir Sadiq s computer notes for class IX. Chapter no 3. Input/Output Devices

Sir Sadiq s computer notes for class IX. Chapter no 3. Input/Output Devices 12 Q: What are Input Devices? Ans: Input Devices: Input devices are physical equipment that read or translate data consisting of alphabets, numbers or other symbols into electronic impulses, which can

More information

Chapter 0: IT Essentials Introduction Chapter 1: Introduction to the Personal Computer

Chapter 0: IT Essentials Introduction Chapter 1: Introduction to the Personal Computer Name Date Chapter 0: IT Essentials Introduction Chapter 1: Introduction to the Personal Computer After completion of this chapter, students should be able to: Explain IT industry certifications and technician

More information

LabSim Mapping Matrix

LabSim Mapping Matrix LabSim Mapping Matrix A+ Guide to Hardware Managing, Maintaining, and Troubleshooting Fourth Edition (220-601) Mapping: Chapters to LabSims Chapter Page Number LabSim Chapter 1 Pages 2-3 Pages 3-6 Pages

More information

PC Connections. A typical computer connects to the world around it in three different ways: Input/output devices Ports Networking.

PC Connections. A typical computer connects to the world around it in three different ways: Input/output devices Ports Networking. Peripherals Definition Peripherals are pieces of hardware that you add to your computer. All components that do not make up the motherboard are considered peripheral devices. To keep things simple, we

More information

VISUAL SUMMARY. Input and Output

VISUAL SUMMARY. Input and Output VISUAL SUMMARY Input and Output KEYBOARDS POINTING DEVICES Input is any data or instructions that are used by a computer. Input devices are hardware used to translate words, sounds, images, and actions

More information

Chapter Three. Hardware Basics: Peripherals

Chapter Three. Hardware Basics: Peripherals Chapter Three Hardware Basics: Peripherals After reading this chapter, you should be able to: List examples of input devices and explain how they can make it easier to get different types of information

More information

VISUAL SUMMARY. The System Unit

VISUAL SUMMARY. The System Unit Rev.Confirming Pages VISUAL SUMMARY The System Unit SYSTEM UNIT System unit (system chassis) contains electronic components. There are four basic categories of system units: desktop, notebook (laptop),

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

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

Input/Output. Display Keyboard Mouse Removable storage

Input/Output. Display Keyboard Mouse Removable storage Peripherals Definition Peripherals are pieces of hardware that you add to your computer. All components that do not make up the motherboard are considered peripheral devices. To keep things simple, we

More information

Introduction to Computers Chapter1

Introduction to Computers Chapter1 Introduction to Computers Chapter1 IS-IT-UOB 2013 Topics Covered Computer definition and main parts Computer Hardware Computer Software Computer Strengths Categories of Computers Computer Applications

More information

Module 1 Concepts of Information and Communication Technology (ICT)

Module 1 Concepts of Information and Communication Technology (ICT) Module 1 Concepts of Information and Communication Technology (ICT) The following is the Syllabus for Module 1, Concepts of Information and Communication Technology (ICT), which provides the basis for

More information

Notes - Computer Hardware Basics

Notes - Computer Hardware Basics The Computer A computer is made up of many parts: Notes - Computer Hardware Basics 1. Input/Output (I/O) devices These allow you to send information to the computer or get information from the computer.

More information

Bulbul NUB 1. Outline. Week # 02. Standard Input & Output Devices. Input Device 6/3/2018

Bulbul NUB 1. Outline. Week # 02. Standard Input & Output Devices. Input Device 6/3/2018 Standard Input & Output Devices June 3, 2018 Week # 02 Course: Introduction to Computers Course Code: CIT1101 Presented by: Bulbul Ahamed Assistant Professor of CSE, NUB Bulbul Ahamed 1 Definition of Input

More information

Chapter 9: Other Peripherals

Chapter 9: Other Peripherals Chapter 9: Other Peripherals Complete CompTIA A+ Guide to PCs, 6e To identify the components of the video subsystem The various display types including laptop displays Basic display terminology To install

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

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