COMPUTER-INTRODUCTION
An amazing machine! We are living in the computer age today and most of our day to day activities cannot be accomplished without using computers. Sometimes knowingly and sometimes unknowingly we use computers. Computer has become an indispensable and multipurpose tool. We are breathing in the computer age and gradually computer has become such a desire necessity of life that it is difficult to imagine life without it.
DEFINITION For most of the people, computer is a machine used for a calculation or a computation, but actually it is much more than that. Precisely Computer is an electronic device for performing arithmetic and logical operation. Or “Computer is a device or a flexible machine to process data and converts it into information.” To know about the complete process that how computer works, we will have to come across the various terms such as Data, Processing and Information. First of all we will have to understand these terms in true sense.
1. DATA: – “Data” is nothing but a mere collection of basic facts and figures without any sequence. When the data is collected as facts and figures, it has no meaning at that time, for example, name of student, names of employees etc.
2. PROCESSING:- ‘Processing’ is the set of instructions given by the user or the related data to output the meaningful information which can be used by the user. The work of processing may be the calculation, comparisons or the decision taken by the computer.
3. INFORMATION:- ‘Information ‘is the end point or the final output of any processed work. The processed data is called information.
