1. What is computer?

1. What is computer?
Answer: A computer is a electronic device that manipulates data or information. It has ability to store, retrieve and process data.

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4. What is RAM? Answer: A RAM (Random Access Memory) is primary memory of a computer. It holds software instructions for CPU. It is called volatile memory that contains data or information temporarily . After outage of power it lost all data for this reason it is called volatile memory.
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2. What are the major parts of computer?

2. What are the major parts of computer? Answer: Major parts of a computer are:                              (i) Processor                              (ii) RAM (Random Access Memory)                              (iii) Hard disk                              (iv) Input device                              (v) Output device
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6. What is volatile memory and non-volatile memory?

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