TRIBHUVAN UNIVERSITY
INSTITUTE OF SCIENCE AND TECHNOLOGY
2075 B.S.
Candidates are required to give their answers in their own words as far as practicable.
Group A
Long Answer QuestionsAttempt any Two questions.
- 1Discuss the concept behind the fixed point number representation. What can be the fixed point representation of a signed number 8? Convert $(14.14)_{10}$ into binary and octal.
- 2What is switching? How can you differentiate packet switching from circuit switching? What are the advantages of using optical fibers?
- 3Why system software is needed in computers? Discuss various types of operating system.
Group B
Short Answer QuestionsAttempt any Eight questions.
- 4What is the role of Control Unit in CPU? How analog computer differs from digital?
- 5How RISC architecture differs from CISC architecture?
- 6What is the purpose of cache memory? How sequential access differs from direct access?
- 7Explain the working mechanism of a keyboard.
- 8Why IP address is used in internet? Mention the significance of domain names in internet
- 9Define computer network. Suppose you have a two story building having 15 computers in each of two floors. Now if you are asked to create a network of these computers, what type of network will you create? Give proper justification to your answer.
- 10What is malicious software? How virus differs from worms?
- 11Discuss the characteristics of multimedia.
- 12What is database system? How data can be stored using relational mod