Understanding Computer

Definition of Computer: 'Computer' is a fast & accurate electronic machine which accepts and store information (data), process the information given to it and produce the desired results, Apart from these functions, we can type letters, draw pictures, make graphics, listen to music, see movies, and store pictures and also play games.

Uses of Computer: Computers are used for

1. Doing repetitive tasks.
2. Processing large amount of data.
3. Getting accurate and align output.
4. Saving time and human power.

Features of Computer:

1. Speed: The smallest unit of time the second is long enough for the computer to perform a dozen task. Generally a computer takes about 1/106 of a second to carry out one instruction. For example a powerful computer could perform 3 millions calculation in a second, involving the edition of two eighteen digit numbers.
2. Accuracy: The computer is very accurate. Almost without accept ion the errors in computing are due to the human rather than technological weakness.
3. Versatility: Computer seems capable of performing almost any task provided ti it and task can be broken down into a series of logical steps.
4. Automation: You can do almost any work repetitively. The computer executes the instructions automatically without any human invention and can perform diverse task simultaneously.
5. Diligence: Being a machine a computer does not suffer from the human trades of tiredness and the lack of concentration, if 3 million calculations have to be performed, it will perform the 3 million accuracy and speed as the first.
6. Storage: The computer has in-numerous capacity for data storage which can be retrieved very quickly.