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

Problem 1. What are Micro-operations? Explain Micro operations of the Fetch cycle. Defining Micro-operations Its explanation of the fetch cycle 2. Differen

Characterizations of Artificial Intelligence Artificial Intelligence is a typical science to describe, because it has fuzzy borders with, psychology, computer science, mathemat

Ask question #Minimum 100 words accepted/

4. Union City Al has decided to upgrade their tornado warning system. The city leaders have identified six potential locations for erecting a warning siren tower. They want to e

QUESTION (i) Define each of the following terms: a) Book trade catalogue b) Stocktaking c) Ephemera d) Contracting out e) Special library (ii) Discuss the adv

Question 1 Explain in detail the different modes of Transportation Question 2 State the meaning of Distribution Strategies. Discuss the different Distribution Strategies

write a basic program for f= a+b+c//2

advantages of E-SCM?

What are two types of evidence geologists use to learn about Earth''s interior.?