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

Necessary nurses records, Necessary Nurses Records The software shoul...

Necessary Nurses Records The software should generate all registers/reports in detail summary for various permutations and combinations of options. A powerful SQL (Structure

What is Decode or execution cycle?, just the once the instruction has bee...

just the once the instruction has been fetched and is accumulated, the next step is to decode the instruction so as to work out what actions should be performed to execute it. This

Programming, write a program to display the first ten terms of the series 2...

write a program to display the first ten terms of the series 2,5,10,17,...........

Distinguish between passive and active attacks, QUESTION (a) Distinguis...

QUESTION (a) Distinguish between passive and active attacks. (b) Give two reasons why it is important to organise security awareness programs for users. (c) Explain how s

Types of pc, TYPES OF PC:  In general,  basic function of all the comp...

TYPES OF PC:  In general,  basic function of all the computers is same i.e. Computers accept data as input, perform operations on these data and generates the desired output t

Knowledge of the environment of ai system, Knowledge of the Environment ...

Knowledge of the Environment We must distinguish between knowledge an agent receives through it's sensors and knowledge about the world from which the input comes. Knowledge a

Define Shortest-Job-First (SJF) Scheduling ?, • It is also known as Shortes...

• It is also known as Shortest-Process-Next (SPN). • Shortest-Job-First (SJF) is a non-preemptive order in which waiting job (or process) with the smallest predictable run-time-to-

Instruction pipeline, How branching takes place in Instruction pipeline. Ex...

How branching takes place in Instruction pipeline. Explain with suitable examples.

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