Output devices, Basic Computer Science

Assignment Help:

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. 


Related Discussions:- Output devices

Arrays and strings, This is a C file. 1. The program starts by printing you...

This is a C file. 1. The program starts by printing your name with an end sign ">". For example, "NAME >"; 2. Then, you can type in a string. If the string is not "vi xxx", you pri

What is a tool bar?, Question 1 Write short notes on                      ...

Question 1 Write short notes on                           (a) Office Automatics System                           (b) Transaction Processing System Question 2 What is a too

Second generation of computers, THE SECOND GENERATION (1956-1965) ...

THE SECOND GENERATION (1956-1965) This generation of computers were characterized by:     Considerable reduction in physical size     Increased reliability

Information system and information technology, What is the difference betwe...

What is the difference between information technology and information systems? Describe some of the fuctions of information systems

Basic description of a computer system, The main components of a computer ...

The main components of a computer system at a basic level Computer System We call computer system to the whole configuration of a computer, as well as the peripheral units and the

Networking operating systems, Networking Operating Systems,  Networking OS ...

Networking Operating Systems,  Networking OS provides file sharing, Networking OS provides communication scheme, NT Server Security added Multi user capability added RAI

C++, Write a C++ program that declares three integers and three strings. Th...

Write a C++ program that declares three integers and three strings. The program prompts the user for three characters and three integers and prints them all on one line.

Write a program to solve a maze 10x10, write a program to solve a 10x10 maz...

write a program to solve a 10x10 maze. prompt the user for an input text file containing ten rows(ten characters on each row). Use following characters in the input file: * startin

System, differance between multiaccess and multitasking

differance between multiaccess and multitasking

Conditional statement, Conditional statement: An If statement is comp...

Conditional statement: An If statement is composed of three parts. The first part should be keyword w.r.t language to convey to the computer that it is if statement. And a Bo

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd