INTRODUCTION TO COMPUTER
1. History of computer Consider this sentence: "Computers are everywhere." In fact, you can find them in some pretty unlike places, including you family car, your home appliances, and even your alarm clock!
In the past two decades, computers have reshaped our lives at home, work and school.
Abacus Abacus was a simple calculating device. it was a wooden rack holding horizontal wires with a numbers of beds fed on them. The beds across the wires were free to move along the length of the wires. These beds were moved around according to specified rules to perform the simple arithmetic operations.
The Computer Defined In basic terms, a computer is an electronic deceive that process data, convert into information that is useful for people.
OR A computer is an electronic device, that process data and performs different kinds of tasks according to a set of instructions given to it. A computer process data and converts it into useful information that can be used for large number of applications.