SRI
LAKSHMI COLLEGE OF ARTS & SCIENCE
BANGARAM,
THOTTIYAM POST, KALLAKURICHI Dt. 606 201
DEPARTMENT
OF COMPUTER SCIENCE
CYCLIC TEST – NOV 2020
SUBJECT:
OPERATING SYSTEM CLASS:
III B. Sc., (CS)
SUBJECT
CODE: BCS52 DATE: 26.11.2020
TOTAL
MARKS: 40 TIME: 1 hr 30 mts
SECTION
– A (5 x 2 = 10 marks)
ANSWER
ALL QUESTIONS
1. Define Operating
System.
2. List the services
provided by an Operating System.
3. What is meant by
Time – Sharing Systems?
4. What are system
calls?
5. What is the use of
Buffer Cache?
SECTION
– B (4 x 5 = 20 marks)
ANSWER
ALL QUESTIONS
6. List the various
function and components of Operating System.
7. Describe the
Operating System architecture and its components.
8. Exemplify the
various process scheduling algorithms.
9. Discuss the
different types of CPU scheduler.
SECTION
– C (1 x 10 – 10 marks)
ANSWER
ANY ONE QUESTION
10. Illustrate the
concept of process scheduling and inter process communication.
11. Define Deadlock.
How can we prevent deadlock condition? Explain in detail.
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