Output Devices

Output Devices:-

These devices are used to take output from computer.

• Display Devices
• Printers
• Plotters
• Speakers

Display Devices:-

Display devices are most common output devices now a days. a normal computer always have a display unit like CRT, LCD or LED attached with it. This display unit help user to see what is going inside a computer. With the use of GUI in operating systems the use of advanced display devices is increasing.

Printers:-

Printers are also popular output devices. Printers give the output in printed form on a page. This device is most widely used in banks, offices and other institutions to take prints of documents. Printers are available in color and black & White formats. The printers are divided into two categories.

Impact Printers
Non-Impact Printers

Impact Printers use punching or stroking technology while Non-Impact Printers use liquid or powder ink to print documents.

Plotters:-

plotters are large printers used for printing large pages. Plotters can print hundred feet large documents easily. Plotters most commonly use a special printing material called panaflex. Plotters can also print color as well as black & white documents.

Speakers:-

Speakers are used to take output in form of Sounds and audio. The user can listen songs, audio CDs and tracks using output audio. The computer also inform users about errors using sounds. Some time computer errors are diagnostic by the number of beeps generated by the computer.