Unit 2, Lesson 6
Learning About Peripherals
AOITPrinciples of Information Technology
Peripherals are devices added to computers
What is a peripheral?
There are three types of keyboard plugs
USB plug5-pin plugPS/2 plug
Not all keyboard plugs are alike
Not all mice are alike
What kind of mouse do you have?
Serial port mouse
USB mouse
PS/2 wireless mouse
Monitors come in two styles: LCD and CRT
LCD monitor CRT monitor
What kind of monitor do you have?
Printers and scanners add value to systems
What kind of printer would you choose?
Multifunction
Ink jet
Scanner
External drives give users more storage options
Have you ever used any of these? Zip drive
USB memory stick
CD-RW drive
Computer cases come in many sizes and styles
What kinds of cases do you see in your classroom?
Desktop Mini Tower
Mid Tower Full Tower
Tower cases have many expansion bays
What drives will be mounted here?
Towers usually have 5¼ in. and 3½ in. bays
One case can hold many different drives
What kinds of drives do you see in the picture to the right?
There are many types and sizes of drives
Different sizes and types of drives can all be loaded into the same tower case
3½ in. floppy drive
CD-ROM drive
DVD drive
Your dream computer needs peripherals
• Keyboard
• Mouse
• Monitor
• Printer
• Scanner
• Memory stick
• Drives
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