Characteristics Of Computer:
1. Speed:
Computers work at vary high speed and are much faster than humans. A second is vary large time period time for computer. A computer can perform billions of calculations in a second. The time used by a computer to perform an operation is called the processing speed. Computer speed is measured in mega hertz (MHz).
- 1 milli second 1/1000 of a second (10-3)
- 1 micro second 1/1000000 of a Second (10-6)
- 1 nano 1/1000000000 of a Second (10-9)
- 1 pico second 1/1000000000000 of a Second (10-312).
2. Storage:
A computer can store a large amount of data permanently. User can use this data at any time. We can store any type of data in a computer. Text, graphic, pictures, audio and video files can be stored easily. The storage capacity of the computer is increasing rapidly.
Unit Equivalent
1 kilobyte (KB) 1,024 bytes
1 megabyte (MB) 1,048,576 bytes
1 gigabyte (GB) 1,073,741,824 bytes
1 terabyte (TB) 1,099,511,627,776 bytes
1 petabyte (PB) 1,125,899,906,842,624 bytes
Processing:
A computer can process the given instructions. It can perform different types of processing like addition, subtraction, multiplication and division. It can also perform logical functions like comparing two numbers to decide which one is the bigger etc.
Accuracy:
Accuracy means to provide results without any error. Computers can process large amount of data and generate error-free results. A modern computer performs millions of operations in one second without any error.
Communication:
Most computers today have the capability of communication with other computers. We can connect two or more computers by a communication device such as modem. These computers can share data, instructions, and information. The connected computer are called network.
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