What is a Computer?
A computer is an electronic device, which executes software programs. It consists of 2 parts-hardware and software . The computer processes input through input devices like mouse and keyboard. The computer displays output through output devices like color monitor and printer. The size of a computer varies considerably from very small to very big. The speed of computers also has a very large range. Computers have become indispensable in today’s world. Millions of people use computers all over the world.
Computers have leapfrogged the human society into another league. It is used in each and every aspect of human life. They will spearhead the human quest of eradicating social problems like illiteracy and poverty. It is difficult to imagine a world bereft of computers. This revolutionary technology is indeed a boon to the human race. May computers continue to shower their blessings to us.
Glossary:
- Software: programs and applications that can be run on a computer system, e.g. word processing or database package.
- Hardware: the equipment and devices that make up a computer system as opposed to the programs used on it.
- Mouse: a handheld input device with control buttons that is moved across a pad to control the movement of a cursor on a computer screen or is clicked to transmit instructions.
- Keyboard: a piece of computer equipment with keys on it, used for putting information into a computer.
- Monitor: a video device that displays data or images generated by a computer or terminal
- Printer: a machine that prints books, newspapers, or magazines.
