The size, shape, performance, reliability, and the cost of computer have been changing over the any years, the basic logic structure (based on the stored program concept), as proposed by Von Neumann, has not changed. Doesn't matter what shape and size of computer we are talking about, all computer systems performs same type of jobs. They all are following five basic function for converting raw input data into useful information and presenting it to a user.
- Inputting:- It is the process of entering data and instruction to the computer system.
- Storing:- It is the process of saving data and instruction to make them readily available for initial or additional processing as and when required.
- Processing:- performing arithmetic operations (add, subtract, multiply, divide, etc.), or logical operations (comparison like equal to, less than, greater than, etc.) on data to convert them into useful information is known as processing.
- Outputting:- It is the process of producing useful information or results for a user, such as printed report or visual display.
- Controlling:- Directing the manner and sequence in which the above operations are performed is known as controlling.
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