Digital Literacy. Identify types of computers, how they process information, and the purpose and function of different hardware components
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1 Digital Literacy Identify types of computers, how they process information, and the purpose and function of different hardware components Computer Basics 1.01 Types of Computers Input and Output Devices
2 COMPUTERS
3 What is a Computer? An electronic device that receives data, processes data, produces a result (output), and stores data. A computer is an electronic device you can use to store and process information.
4 What is a Computer? An electronic device that receives data, processes data, produces a result (output), and stores data
5 A computer is an electronic device you can use to store and process information.
6 TYPES of PERSONAL COMPUTERS
7 Types of Computers The most common computer is the Personal Computer (PC). A personal computer is a computer that is designed for use by one person at a time. There are six different types of computing devices: Desktop Laptop Netbook Tablet Handheld Smartphone 7
8 Desktop Computers Are made up of individual components (monitor, a keyboard, a system unit, and a printer). Not portable - used on a desk or table Have more memory, a larger hard drive, more ports, and a bigger display than laptops and other portable computers. Can run for long periods at a time. 8
9 Laptop Computers Lightweight and designed for travel Run on electricity or on batteries. Perform the same tasks as desktop computers. Uses more power than desktops Usually cost more than desktops Are also called notebook computers. 9
10 Netbook Portable, lightweight mini-laptop computers. Designed for connectivity Inexpensive
11 Tablet Computers Fully functional computers that allow you to write directly on the screen by using a tablet pen or your finger. Can also use the tablet pen or your finger to perform mouse functions. Do not need a keyboard and a mouse. 11
12 Handheld Computers Are devices used for specific everyday tasks, such as managing personal data. Are smaller than laptops and provide fewer features compared to desktop computers or laptops. Can also perform basic word-processing activities and help you access the Internet. 12
13 Smartphone Handheld computers that have telephone capabilities.
14 Types of Personal Computers (PC) Desktop Laptop Netbook Tablet Handheld Smartphone
15 COMPUTER HARDWARE
16 Hardware The tangible, physical equipment that can be seen and touched
17 Parts of a Computer
18 Examples of Hardware Computer Case Monitor Keyboard Mouse Speakers Printer Scanner
19 What is Hardware? The tangible (can see and touch), physical parts of the computer
20 Examples of Hardware Computer Case Monitor Keyboard Mouse Speakers Printer Scanner
21 DATA AND INPUT DEVICES
22 Data Data is text, numbers, sounds, and images entered into the computer to be processed.
23 What Is Data? Information entered into the computer to be processed. Examples of data are text (letters) numbers sounds images (pictures)
24 Input The process of entering information into the computer. Putting information into the computer
25 What is Input? Data you put into the computer How you communicate with your computer
26 Input Devices Devices that allow you to put data into your computer allow you to communicate with your computer Input devices provide a means for the user to command and control the PC
27 Examples of Input Devices Keyboard (most commonly used)
28 Examples of Input Devices Mouse Trackball
29 Examples of Input Devices Joystick Light Pen
30 Examples of Input Devices Stylus
31 Examples of Input Devices Touchpad Touch Screen
32 Examples of Input Devices Pointing Stick Bar Code Reader
33 Examples of Input Devices Scanner Microphone
34 Examples of Input Devices Graphics Tablet Digital Cameras
35 Check your NOTES Input Devices Keyboard Mouse Trackball Stylus Joystick Light Pen Touchpad Touch Screen Pointing Stick Bar Code Reader Scanner Microphone Graphics Tablet Digital Cameras
36 OUTPUT DEVICES
37 Output The result you see after your computer processes information. Getting information out of the computer
38 What is Output? What you get out of the computer Sounds Display on the monitor screen Something you print How your computer communicates with you
39 Output Devices Devices that allow you to get data (output) out of your computer. allow your computer to communicate with you. Output devices can be grouped as either sight (visual) or sound (auditory) devices
40 Output Devices Monitor (visual device) screen that displays information such as text, numbers, and images Produces a soft copy
41 Output Devices Printer (visual device) gives you information or pictures from the computer in printed form. Produces a hard copy
42 Output Devices Speakers/Headphones (auditory devices) allow you to hear voice, music, and other sounds from your computer.
43 Examples of Output Devices Monitor (most commonly used) Printer Speakers/Headphones
44 Hard Copy vs. Soft Copy vs.
45 Soft Copy The image you see on the monitor The copy you can only SEE S o f t S e e
46 Hard Copy The document you get from your printer The copy you can HOLD in your HAND H A R D H O L D / H A N D
47 THE END
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