Question

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1. What is a computer ? Why is it also known as a data processor ?
2. What is the difference between general purpose and special purpose computers ? Explain.
3. What are the characteristics of
(a) Main frame computer
(b) Mini computer
(c) Micro computer
(d) Super computer
4./ What functions are performed by ALU ? Explain.
5. Explain briefly volatile and non volatile memory.
6. Explain the following: (a) Bit (6) Byte (c) Word
7. What do you mean by Hybrid Computer ? Explain.
8. What is the difference between mini and micro computers ? Explain.
9. Explain the following. (a) RAM (b) ROM (C) PROM (d) EPROM (e) EEPROM
10. What is secondary storage ? How does it differ from a primary storage ?
11. What is a hard disk ? Discuss the construction and working of a hard disk drive.
12. What is CDROM drive ? Explain the working of CDROM drive.​

Answer 1

Answer:

A computer is known as a data processor because it changes raw data that is not in useful form such as tables, figures etc into processed data known as information that is useful. Processing includes manipulating, storing, accessing and transmitting.

Explanation: