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

Interpreter, Interpreter: An interpreter is a program that translates...

Interpreter: An interpreter is a program that translates each statement in the programming language into machine code and runs it.  Such an arrangement means that to run the

Discuss on browsers for cloud computing, Question 1 Discuss on "Platform a...

Question 1 Discuss on "Platform as a Service" Question 2 Write a note on Accounting Services Question 3 Explain the different Software clients Question 4 D

Discuss about the descriptor classes, Question 1 List down any six feature...

Question 1 List down any six features of a Smartphone Question 2 Give a brief note on a) Internal Flash Disk. b) Use of C++ in Symbian OS Question 3 What are the naming

Security threats on internet, Security threats on internet:  The Inter...

Security threats on internet:  The Internet has many advantages; however, it also opens up security threat. In this section we just want to highlight some of the threats that

Completeness in search - artificial intelligence, Completeness in search - ...

Completeness in search - artificial intelligence: It's also importance trying to calculate the number of solutions to a problem, and the density of those solutions amongst the

Powerpoint presentation of qualitative analysis approaches, Compare and con...

Compare and contrast two qualitative analysis approaches. You must select two that are a true contast eg  CAQADS (say leximancer ) v discourse analysis or thematic analysis by hand

Opcode and operands, Opcode and operands: Let us further assume that o...

Opcode and operands: Let us further assume that our computer can process only two-digit decimal numbers, i.e. there can be a maximum of two operands each of a maximum of two d

Differentiate Preemptive and Nonpreemptive Scheduling?, The Scheduling algo...

The Scheduling algorithms can be divided into two parts with respect to how they deal with clock interrupts. 1) Nonpreemptive Scheduling: A scheduling

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