Computer Basics - Output devices

Output devices

An output device is any hardware component that conveys information to one or more people. Three commonly used output devices are a printer, a monitor and speakers.

Output devices take information within your computer and present it to you in a form that you can understand

Main output devices:

•Monitors

•Printers

•Speakers

Monitors

–Cathode-ray tubes (CRTs)

–Flat-panel displays

–Liquid crystal display (LCD) monitors

–Gas plasma displays

Printers

•Inkjet – most popular

–Makes images by forcing droplets through nozzles

–Top speed is 20 pages per minute

•Laser

–Forms images using an electrostatic process

–Prints between 3 and 30 pages per minute

§Multifunction printer:

•Scan, copy, fax, and print

• Can be either inkjet or laser

•Cost less than buying individual units

•Take up less desk space

§Speakers

A speaker is a device that produces computer output as sound

Speakers are common devices in computer systems Examples include:

•Built-in speaker

•Two-device set speakers

•Surround sound speakers