Thursday, 15 March 2012

Computer Hardware Components and Accessories

Well as we all know a computer is a programmable machine which is designed to mechanically carry out a sequence of logical and arithmetic operations. The specific sequence of operations can be changed willingly as per the requirements, which allows the computer to solve more than one kind of problem.

A Computer constitutes of different parts or components, which are collectively known as PC hardware. The main hardware PC units include display screen monitor, CPU, hard disk, mouse, CD drive, keyboard, etc.

The computer hardware parts also do include items such as sound cards, scanners, even digital cameras internet modems, etc. Every computer has its own individual configuration like model details, RAM memory, CPU etc which might vary from other computers.

Now let’s have a look at the most important hardware parts:
* CPU – CPU or Central Processing Unit is also known as the brain of the computer. It works as a processor, and processes all our commands and instructions.
* Mouse - This is an essential hardware for desktop models as it is used for navigational purpose, to click on varied options, also for selecting different objects and to access necessary information present on the computer screen.
* Hard Disk – Hard Disk is used for the storage of data. A major part in the performance of any computer essentially depends on its hard disk.
* RAM - Ram is also known as Random Access Memory, which is used in storing temporary information in the CPU. As soon as we switch off the computer, these temporary info files are erased from RAM.
* Keyboard - Keyboard is one of the most vital parts in computer hardware. The keyboard is used to enter specific instructions or commands by punching of numbers, alphabets, or signs.

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