Tribhuvan University
Bachelor of Science in Computer Science and Information Technology
Semester 1 · TU Board 2075
Course Title: Introduction to Information Technology (CSC114)
Full Marks: 60Pass Marks: 24Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Group A
Attempt any two questions(2 × 10 = 20)
- 1.10
Discuss 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.
- 2.10
What is switching? How can you differentiate packet switching from circuit switching? What are the advantages of using optical fibers?
- 3.10
Why system software is needed in computers? Discuss various types of operating system.
Group B
Attempt any eight questions(8 × 5 = 40)
- 4.5
What is the role of Control Unit in CPU? How analog computer differs from digital?
- 5.5
How RISC architecture differs from CISC architecture?
- 6.5
What is the purpose of cache memory? How sequential access differs from direct access?
- 7.5
Explain the working mechanism of a keyboard.
- 8.5
Why IP address is used in internet? Mention the significance of domain names in internet
- 9.5
Define 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.
- 10.5
What is malicious software? How virus differs from worms?
- 11.5
Discuss the characteristics of multimedia.
- 12.5
What is database system? How data can be stored using relational model.
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