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

Obtain the truth table and a boolean expression, Problem 1. Convert the...

Problem 1. Convert the following number system 12.34 (8) to binary number system 23BC.0A (16) to decimal number system 456.012 (16) to Octal number system 123

Python Identifiers, A Python identifier is a name used for classify a funct...

A Python identifier is a name used for classify a function, variable, class, module or any other object. An identifier begins with a letter A to Z or a to z or an underscore (_) fo

Exploitation of parallelism, Exploitation of Parallelism Similar calcul...

Exploitation of Parallelism Similar calculations have of course been a subject of dynamic research in computer technology for the past several years. Whereas parallelism within

Register array, #queA register is a memory location surrounded by the CPU i...

#queA register is a memory location surrounded by the CPU itself, designed to be rapidly accessed for purposes of fast data retrieval. Processors normally hold a register array, wh

Packet switching, Packet Switching: This is one of recent techniques o...

Packet Switching: This is one of recent techniques of switching. Packet switching was originally developed for use by ARPA network by the Defence Department of US. According t

Cprgm, A palindrome is a string that reads the same from both the ends. Giv...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

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