Computer Hardware and Types

Submitted by:

Deeksha SaxenaMBA (TTM)

Center For Tourism Management

Computer Hardware And Types

Basically Computer is an machine in which we enter data as input to get processed data as output so that we might save it as information. So I provides us complete relevant data timely with good accuracy.

Computer Organization

Computers go through the five main key elements for computing. These are

Hardware Software Data People Procedure

Hardware

Hardware is a physical parts of computer, which can be touch. Like as

Keyboard Mouse Printer Scanner CPU Monitor

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Computer Hardware

http://i.infopls.com/images/comphardware1.jpg

Monitor

Monitor is most widely used display unit. Monitor is the display screen of a desktop

which makes us visible all the work/task which will be done by others

https://www.quietpc.com/images/products/zm-m215w-front-large.jpg

Keyboard

Keyboard is the most widely used input devices.

It contains all the letters of the alphabet, numbers and some special symbols.

https://upload.wikimedia.org/wikipedia/commons/6/6b/Keyboard-Dvorak-norwegian.JPG

Mouse

It is a device that is used that is used to control the computer.

When the mouse is moved on a pad,the cursor moves on the screen.

http://core0.staticworld.net/images/article/2013/05/microsoft_sculpt_mobile_mouse_left_2013-100038808-orig.jpg

Central Processing Unit(CPU)

It is composed of silicon and contains millions of transistors for e.g dual core.

Processing device means calculation comparisons and decisions.

http://4.bp.blogspot.com/-veZl60QyF44/ULHSsxPgzpI/AAAAAAAAAJo/j_LTNM-BILk/s1600/CPU.jpg

Printer

A printer is an output device that prints text documents,images,spread sheets etc. as hard copy.

Printers quality is measured in dot per inch(DPI).

http://brain-images.cdn.dixons.com/0/3/07317030/l_07317030_006.jpg

Scanner

Scanners are used to enter information directly in to the computers memory.

The scanner converts any type of printed or written information including photographs in to digital pulses.

http://badgepros.com/wp-content/uploads/2012/10/ID-150-angle-right-with-ID.jpg

Reference

Courses On Computer ConceptsEdition-May 2015Writer-A kumar P Mishra

Publication-T Balaji Publication

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