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SIXTH STER B.Sc. DEGREE EXAMINATION, MARCH 2019
(CUCBCSS)

Time :

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Computer Science

BCS 6B 13—FUNDAMENTALS OF OPERATING SYSTEM

Three Hours Maximum : 80 Marks
Part A

Answer all questions.
Each question carries 1 mark.

What is an operating system ?

What is spooling ?

What do you mean by a process state ?

Which technique is employed to share the CPU among user programs ?
What is starvation ?

Which term is used to refer the state “no two processes are executing in their critical sections at the
same time” ?
What is swapping ?
List any two strategies used to select a free hole from the set of available holes.
In an access matrix, what is the meaning of (i, j) entry of the matrix. ಟ್‌
Hardwares that support Android are mainly based on which architecture platform ?
(10 x 1 = 10 marks)
Part B

Answer all questions.
Each question carries 2 marks.

What are the various functions of an operating system ?

Briefly explain about the information contained in a PCB associated with a specific process.
Explain about multilevel feedback queue.

Explain the concept of overlays in memory management.

Differentiate between authentication and authorization.
(5 x 2 = 10 marks)

Turn over