POIT Lesson 6 Peripherals

Peripherals are devices that are used for input and output

• Mouse-Input
• Optical or Laser
• Keyboard-Input
• an input device that sends a signal to the computer using keys or key combinations
• Monitor-Output
• CRT or LCD
• Monitor can be input when it is touch screen
• Printer-Output
• multi-function, scanner, inkjet
• Scanner-takes a picture of a document. Can not save it as a processing document
• Multi-function- 
• Flash Drive-Input

Drives- changed considerably over the past 20 years

• floppy drive, DVD drive, CD-ROM drive, Blu-ray drive
• External drives- gives users more storage options
• USB

A pixel is a small colored dot on the screen and more pixels mean better high definition.

Tower Cases- have expansion bays

• usually have at least one bay for an optical drive

Dream Computer

• Keyboard
• Mouse
• Monitor Printer
• Scanner
• Storage Device