Page 26 - DCAP101_BASIC_COMPUTER_SKILLS

Unit 1: Computer Fundamentals

6. The second generation computers were manufactured by using ………… Notes

(a) Vacuum tubes (b) Transistors
(c) IC Chip (d) None of above
7. ANSI stands for…………
(a) American National Standards Institute
(b) Asia National Standards Institute

1.8 Review Questions

1. What is a computer? Why is it also known as a data processor?
2. What is data processing? Differentiate between data and information. Which is more
useful to the people and why?
3. List and explain some important characteristics of a computer.
4. What is garbage-in-garbage-out?
5. Who is known as the father of modern digital computers and why?

6. Who invented the concept of stored program? Why is this concept so important?
7. Why are modern digital computers often referred to as stored program digital
computers?

8. Which was the first commercially produced computer? When and where was it first
installed?
9. Write full form of following abbreviations used in computer terminology: IBM, ENIAC,
EDVAC, EDSAC, UNIVAC.
10. What is “generation” in computer terminology? How many computer generations are
there till date?

11. List the various computer generations along with the key characteristics of computers
of each generation.
12. List key hardware technologies used in building computers of each of the five generations.

13. List key software technologies used in building computers of each of the five generations.
14. What is an IC? How does it help in reducing the size computers?
15. Why were first- and second-generation computers more difficult and costlier to produce
commercially that computer of subsequent generations?
16. Name the technologies used for constructing main memory in first-, second-, third-,
and fourth-generation computers.

17. Name the secondary storage media popularly used, i.e. first-, second-, third-, fourth-, and
firth-generation computers.
18. What is a microprocessor? How did it revolutionize the computer industry?
19. Name some applications that emerged due to emergence of computer networks.

20. Name some applications that emerged due to emergence of the Internet.
21. Name some representative computer systems of each of the five computer generations.

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