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

Internet searching algorithm, Internet searching algorithm: Searching: Wh...

Internet searching algorithm: Searching: When a user enters a query into a search engine, the engine examines its index and provides a listing of best-matching web pages accordin

What is nanp? explain, Question 1 What is NANP? Explain Question 2 ...

Question 1 What is NANP? Explain Question 2 What is E&M signaling? Discuss in brief Question 3 What are the common custom calling features? Question 4 Expl

Describe the protocol used by the mmu, Question 1: a) A distinction is...

Question 1: a) A distinction is often made between computer architecture and computer organisation. Describe, using examples, the meaning of computer architecture. b) Name

Output options to various multimedia, The various systems (computer, softwa...

The various systems (computer, software and output devices) that are available have different limitations for output that is cartographic in nature. Some systems are CAD, GIS limit

Logic and arithmetic functions, The instructions of the logic functions are...

The instructions of the logic functions are: and not, or and xor. These act on the bits of their operators. To make sure the result of the operations we revolve to the cmp and test

Binary codes, Binary Codes: We have seen earlier that digital computer...

Binary Codes: We have seen earlier that digital computers use signals that have two distinct values and there exists a direct analogy between binary signals and binary digits.

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

Input devices, Input Devices Keyboard Keyboard is the dev...

Input Devices Keyboard Keyboard is the device through which the commands, instructions required for execution of a program is entered. It consists of a number of

Omputer applications 2, true or false-- most designs of a desktop publishin...

true or false-- most designs of a desktop publishing document needs to follow clear, specific rules pertaining to design

Data output, Data Output : Processed data is no use to you if you cannot u...

Data Output : Processed data is no use to you if you cannot use it. Once data has been processed, you will either: (1) Send it as a data file to another system, e.g. write a fi

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