Q54,p3,J15. A unix file may be of type.

A) Regular file             B) directory File.             C) Device file                D) Any one of them.

Answer D.

Q53,p3,j15. In ________________ allocation method for disk block allocation in a file system ,insertion and deletion of block in a file is easy.

A. Index    B. Linked  C. Contigous  D. Bitmap.
Answer A.

Q52,P3,J15. Dining Philospher problem is a.

A) Producer consumer problem.
B)Classical IPC problem.
C) Starvation Problem.
D)Synchronization primitive.

Answer B.

Q51,P3,J15. What is the most appropriate function of memory management unit.?

A. it is an associated memory to store TLB.
B. It is a technique of supporting multiprogramming by creating dynamic partitions.
C. It is a chip to map virtual address to physical address.
D. It is an algorithm to allocate and deallocate main memory to a process.

Answer B.

Q50,P3,J15. Which of the following statements is not true for multi level feedback queue processor scheduling algorithm?

A) Queues have different priorities.
B) Each queue may have different scheduling algorithms.
C)Processes are permanently assigned to  a queue.
D.)This algorithm can be configured to match a specific system under design.
Answer C.

Q 49,p3,j15. Match the following

List 1	List ii
A.      Spooling	1.       Allows several jobs in memory to improve cpu utilization.
B.      Multiprogramming	2.       Access to shared resources among geographically dispersed  computers in a transparent way.
C.      Time sharing	3.       Overlapping I/o and computation.
D.      Distributed computing	4.       Allows many users to share a computer simultaneously by switching  proessors frequently.

Options.

A             B             C             D.

a)            iii.            i.              ii.             iv.

b)            iii.            i.              iv.           Ii.

C)            iv             iii.            Ii.            i.

D.            ii              iii.            Iv.           I

Answer B

Q48,p3,j15. A software design is highly modular if:

A) Cohesion is functional and coupling is data type.
 B)Cohesion is coincidental and coupling is data type.

c) Cohesion is sequental  and coupling is content type.
D) Cohesion is functional and coupling is stamp type.
Answer A.