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

Q: HOW DO YOU CODE -- WITHOUT USING ARRAYS OR SPLIT FUNCTION, Q: HOW DO YOU...

Q: HOW DO YOU CODE -- WITHOUT USING ARRAYS OR SPLIT FUNCTIONS -- TO SEPARATE COMMA SEPARATE NUMBER VALUES AND THEN SUM TO TOTAL? I.E., USING SUBSTRING AND INDEXOF. I''ve been try

Backup software, Backup software: A number of Backup software are avai...

Backup software: A number of Backup software are available that assist you in taking backup of your important data on the computer. Selecting between various back-up software

Example of flowcharting, Example of flowcharting: Example Problem s...

Example of flowcharting: Example Problem statement: To find out whether a given number is even or odd. Algorithm: Step 1 Start Step 2 INPUT the number n  Step 3

Operating system, Ask question describes deadlock avoidance#Minimum 100 wor...

Ask question describes deadlock avoidance#Minimum 100 words accepted#

What are the characteristics of a good documentation?, Question 1 What are...

Question 1 What are the differences between closed and open systems? Question 2 What are the characteristics of a good documentation? Question 3 What are the steps invol

Features of python, • Easy-to-learn: Python has comparatively few keywords,...

• Easy-to-learn: Python has comparatively few keywords, easy structure, and a clearly distinct syntax. This permits the student to pick up the language in a comparatively short per

Software Engineering, You are an engineer involved in the development of a ...

You are an engineer involved in the development of a financial system. During installation, you discover that this system will make a significant number of people redundant. The pe

What help with this Assembly language Subroutine, Write an ARM subroutine w...

Write an ARM subroutine which will extract a substring from a string. You will need to use the library routine malloc to allocate memory for the new string. The subroutine signatu

Determine whether the system is stable or causal, QUESTION (a) For each...

QUESTION (a) For each of the following systems, determine whether the system is (1) stable, (2) causal, (3) linear, (4) time invariant, (5) passive (i) Y[n] = x[-n] (ii)

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