JUNE-2021
B. Sc. (IV Semester) Examination
PHYSICS
Paper: PHYSK-242 (Skilled Based Course)
(Fundamental of Computer)
Full Marks : 80
Pass Marks : 35%
Time : Two Hours
Note: 1. Section A is compulsory and answer any four questions from Section B.
2. The figures in the margin indicate full marks for the questions.
Section – A
1. Answer the following Questions 2x10= 20
(a) What is input and output device in a computer? Mention few names.
(b) What is RAM?
(c) What are ASCII and BCD?
(d) Write the truth table for XOR gate.
(e) What are hardware and software in computer?
(f) Mention few types of operating systems.
(g) What is algorithm?
(h) What do you understand by VIRUS?
(i) What is internet and WWW?
(j) Mention the different types of number systems.
Section – B
2. (a) What is Computer? Mention the characteristics of computer. 2+3= 5
(b) How will you classify the Computers? Explain the anatomy of digital computer system. 3+4= 7
(c) Explain briefly the different generations of computer. 3
3. (a) Explain in details the Primacy and Secondary Memory of Computer. 10
(b) What is decimal and binary number system? Convert ( to decimal number. 5
4. (a) Add and subtract the binary numbers ( and (. 2+2= 4
(b) Convert ( to binary numbers. 2
(c) Define logic gate. Write the truth table for NAND and NOR gate. Why they are called universal gates? 2+2+2+3= 9
5. (a) What is software? How will you classify software? Discuss briefly each class. 2+2+4+4= 12
(b) What is programming language? Mention the different types. 3
6. (a) Make a detail discussion on MS Office. 8
(b) What is the role of algorithm and flow chart in program planning and program development? 7
7. (a) What do you understand by search engine? Give some examples. 2+2= 4
(b) What are website? What are its features? 2+2= 4
(c) What is email? What are its features. 2+2= 4
(c) What is cyber crime? 3
8. Write short notes on any three 5x3= 15
(a) Computer Ethics
(b) Network Topology
(c) Boolean Algebra
(d) Static and dynamic RAM
(e) Internet and its applications
