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

Text, text graphics audio video

text graphics audio video

Mainframe architecture, Mainframe Architecture: Till a few decades bac...

Mainframe Architecture: Till a few decades back, all computing was controlled through the central mainframes server. Multiple users could connect to the central host through u

Web browser, Web Browser:   A Web browser is software application that ...

Web Browser:   A Web browser is software application that enables you to find, retrieve, and display information available on the World Wide Web (WWW). Browser also allows you

Development of UNIX , Development of UNIX: The original UNIX developme...

Development of UNIX: The original UNIX development was performed on a Digital PDP-7 minicomputer and later moved to a PDP-11 minicomputer, the forerunner of the VAX computer.

Explain the architecture of wap, Question 1 Discuss the benefits and goals...

Question 1 Discuss the benefits and goals of e-commerce Question 2 List and explain the features of portal Question 3 Elaborate the TCP/IP model Question 4 Explain the archi

Browser security, Browser Security: WWW is used for many applications ...

Browser Security: WWW is used for many applications today including Banking, reservation, trading,  e-commence and many such applications which require security and confidenti

Subroutine and functions, Subroutine and Functions:  In a program, it ...

Subroutine and Functions:  In a program, it is often necessary to repeat a statement or group of statements at several points to accomplish a particular task. Repeating the sa

Introduction Assembly Language, This web page looks at assembly languages i...

This web page looks at assembly languages in a common method. Specific illustrations of addressing modes and instructions from a variety of processors are used to demonstrate the g

Software, Software: A computer system consists of two parts - hardware...

Software: A computer system consists of two parts - hardware and software. The first part, computer hardware, refers to all the visible components of the computer system:  key

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