Output devices, Basic Computer Science

Output Devices

Video Display Unit (VDU) or Monitor

Video Display Unit is similar to a television. It is used to display the results of processes. The screen is illuminated by a number of dots known as pixels. The number of dots per unit area is called resolution. The higher the resolution, the better will be the quality of the picture. A lighted symbol in a form of a line or rectangle visible on the screen known as Cursor, to indicate the position for typing a command. If any keys are pressed, it moves along the alphabet typed. A typical Video Display  Unit screen can accommodate 25 lines, each  line consisting of 80 characters.

Printers

There are various kinds of printers. They are basically divided into two categories:

Impact printers and Non-impact printers. 

Posted Date: 9/14/2012 5:34:06 AM | Location : United States







Related Discussions:- Output devices, Assignment Help, Ask Question on Output devices, Get Answer, Expert's Help, Output devices Discussions

Write discussion on Output devices
Your posts are moderated
Related Questions
Necessary Nurses Records The software should generate all registers/reports in detail summary for various permutations and combinations of options. A powerful SQL (Structure

WHAT IS CAI ITS PITFALLS


Ask queYou are hired as a Chief Technology Officer (CTO) of a startup company, which has two branches; one Los Angeles and one in San Francisco. The company hired employees to begi

Define explicit, implicit and parametric representation and what are their advantages?

write a c program of minimum shelf

Digital Transmission: In digital transmission, wave patterns are translated into discrete bits and are separated by intervals. Bits (contraction for binary digits) are the sma

The primary step is to start the Debug; this step only consists of typing debug [Enter] on the operative system on time. the "a" (assemble) command is used To assemble a program on


Memory unit of computer: The Memory  unit is an important component of a computer where all the data and information are stored in the form  of binary digits (combination of 0