Input devices, Basic Computer Science

Assignment Help:

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 keys with alphabet, numbers and other characters printed. By pressing the keys the commands are passed into the CPU.

Mouse

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.


Related Discussions:- Input devices

Outdoor patient department features - receptionist module, Outdoor Patient...

Outdoor Patient Department (OPD) Features The following modules can be developed for various areas and workers. A receptionist Module Receptionist updates all bas

Arrays, Write an application that stores at least five different department...

Write an application that stores at least five different department and supervisor names in a two-dimensional array. Allow the user to enter a department name (such as “Marketing”)

The form is merely submitted if a user selects either red, Question (a)...

Question (a) What do we signifies by saying that HTTP is a stateless protocol? (b) Explain three ways of working around that statelessness issue (c) Explain with the help

Many to many relationships, Each Many to Many relationship type maps into t...

Each Many to Many relationship type maps into the Table. The primary key of this relevant is the combination of the primary keys of the participating entity types. These are also c

Assignment, I have an assignment i need it to get it done How much would I...

I have an assignment i need it to get it done How much would I be charged for that?

Evolution of erp , Evolution of ERP  The origin of using computers for ...

Evolution of ERP  The origin of using computers for business, traces the following line of story. Originally, they were designed to support the repetitive and time consuming fu

Constant , Constant: In contrast to a variable, which is used as ident...

Constant: In contrast to a variable, which is used as identifier for a value and which can change, constants are identifiers that are used for values, which cannot be changed.

Algorithm, solve three given number in ascending order through algorithm

solve three given number in ascending order through algorithm

Packet switching, Packet Switching: This is one of recent techniques o...

Packet Switching: This is one of recent techniques of switching. Packet switching was originally developed for use by ARPA network by the Defence Department of US. According t

The elif Statement, The elif statement permits you to check multiple expres...

The elif statement permits you to check multiple expressions for truth value and execute a block of code the moment one of the conditions estimates to true. similar to the else, th

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