Computer System Overview
(Part-1)
Questions and Answers
Class 11 - Informatics Practices / Computer Science
Q1: What is a computer?
Answer: A computer is an electronic device, under the control of instructions stored in its memory that can accept data (input), process the data according to specified rules(Program), produce information (output), and store the information for future use.
The word 'computer' comes from the word 'compute' which means to calculate. Therefore, a computer is an electronic device that can perform arithmetic operations at high speed.
Q2: Why a computer is also called a data processor?
Answer: A computer is also called a data processor because it can store, process and retrieve data whenever desired.





