Computer Applications

Friday, April 9, 2010

Mointor and Printer

Monitor - shows the monitoring information on the screen when writing. This is called the output

information. When the computer needs more information to display a message on the screen, usually

through a dialog box. Monitors come in many types and sizes. Solution sets a unit of the monitor

display. Resolution can be adjusted to control the screen ..

Most desktop computers use a device with a cathode ray tube or LCD screen. Most of the use of laptop

computers with liquid crystal display monitor.

To take full advantage of the programs today with full-color graphics and animation, computers need a

monitor with a color screen or video card.

Printer - a printer receives information on the screen, and transferred to paper or hard copy. There are

many different types of printers with various levels of quality. Three basic types of the printer; dot

matrix, inkjet and laser.
Dot matrix printers work like a typewriter ink transfer from the tape to the paper with string or

'Matrix' of small nails.
Printers, ink jet printers work like a bitmap, but unleash a torrent of ink from the cartridge directly

on paper.
Laser printers use the same technology to a photocopier using heat to transfer ink on paper.

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