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
