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computer is a calculating machine which is used to perform arithmetic and logical operation at a high speed.
A computer is an electronic device that can accept, store and process information to produce the required result.
Therefore, we can define computer as a device that transforms data. Data can be
anything like marks obtained by you in various subjects. It can also be name, age, sex,
weight, height, etc. of all the students in your class or income, savings, investments, etc.,
of a country.
Computer is a device that can solve any mathematical operation and it
operates on information or data.
Computer can be defined in terms of its functions. It can (i) accept data
(ii) store data, (iii) process data as desired, (iv) retrieve the stored data
as and when required and (v) print the result in desired format.