Input devices, Basic Computer Science

Input Devices


Keyboard is the device through which the commands, instructions required for execution of a program is entered. It consists of a number of keys with alphabet, numbers and other characters printed. By pressing the keys the commands are passed into the CPU.


Mouse is a pointing device, which is used in Graphical User Interface. The pointer of the mouse can be moved on the display unit of the computer by moving the mouse on the mouse pad. It generally consists two buttons and can have more buttons also. The commands in Graphical User Interface are represented as objects.  By pressing the button on the mouse facilitates selecting the required object thereby initiating the command the object is associated with.

Posted Date: 9/14/2012 5:33:12 AM | Location : United States

Related Discussions:- Input devices, Assignment Help, Ask Question on Input devices, Get Answer, Expert's Help, Input devices Discussions

Write discussion on Input devices
Your posts are moderated
Related Questions
One time a program is in memory it has to be executed. To do this, each instruction must be appeared at, decoded and acted upon in turn until the program is finished. This is accom

Input and Output Devices : The most common input devices that you will see in your PC are the keyboard and the mouse. The keyboard of the computer looks like the keyboard o

Question 1 What is difference between cathode ray tube monitors and LCD monitors? List three popular types of operating systems and give brief introduction of each type Que

Software Licensing: Until early 1970's, sharing of software was the accepted norm. Hardware came bundled with software products which could be freely redistributed and the acc

Debugging Once a program has been written, it has to be tested first to ensure that it is free of errors. It is very normal that any program written will contain mistake

Hi, I''m looking for someone to help me with Computer Science ASAP. How soon are you available? Thanks! Specifically using the Racket program dealing with creating a list that will

QUESTION (i) Write short notes on each of the following: a) Shelf reading b) Joint Fiction Reserve c) London and South-Eastern Library Region d) Document access

How Should an Ideal Software be?  It should be easy to operate, with minimal training of nursing personnel.   Should be reliable, and thoroughly tested in various nur

what can you do and what and how who can becbgbfbvuidfgvbkjfdhvb98dshrnfjkbhqdbnfiubnfdjbhdfiubndfubhfdbhfdiubhdfuibhyfdubhdfbhfbhdf8u

The data stored in memory can be of a lot of types. In case, a person’s age is stored as a numeric value and his or her address is stored as alphanumeric characters. Python has som