As you all now Computer is now a need for every human being. All the old ways of doing a work is now changed into a digital format in the form of a computer, due to this the need for learning computer arises with a rapid speed. Today I like to share the three fundamental of computer with you. These are as under:

1. The first basic thing you must now is that - What is a computer?

Though there is various definition made on computer but the perfect one according to me is a "Computer can be defined as a high speed Electronic Data Processing Machine"

Let as now want the definition says...

· Electronic Machine - It is a machine, which consists of various Electronic circuits.

· Data Processing Machine – Now how it is a data processing machine because it accept data as its input. Process it by certain calculations & Manipulation & give you the desired result in the form of output.

2. The second thing is that when you buy a computer you don’t know – What can computer do for you?

Some of the uses computer do are as follows:

· It can play game with you.

· It can help to teach student.

· It can help to solve difficult problem that would take a person hours or years to solve.

· It can help to maintain accounts, payroll, inventory, mailing list etc.

· It can help to predict your future.

· It can be used in large application like railways/airlines booking.

· It can be used in space technology, it figures out and controls the take off and touch down of planes and rockets.

· It can be used for every possible application Remember that the computer does not know anything.

Computer only works on per instruction given to it. Computer can not think like a man. You have to give some of the input to get some output.

3. Now the last thing is that what is Hardware and Software?

People are confused what these things do in the computer, what are they?? The answer is as below:

· The hardware can be generally is physical devices like Monitor, Disk drive and Chips are called Hardware.

· Hardware definition can be modified by me and presented as the physical component of the machine which can be seen, touch (tangible) is known as the Hardware.

· Now I will show a diagram in which the computer structure is represented in a demo form as under:

· Now about software:

Software is a program which makes Hardware useful. You should remember that hardware is useless without the appropriate Software.

I have come with a definition of software as under:

“The set of instruction generally referred to as program is the Software”.

• Written by Amrit Pal .
• In category Hardware & Troubleshooting.
• 14 years ago.

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