Objective-type questions System Software and Operating System - Part-07 | 10 Question and Answer

 

Question: Resolution of externally defined symbol is performed by

A.    Linker

B.     Loader

C.    Compiler

D.    Editor

Answer: A. Linker

 

 

Question: Relocatable programs

A.    Cannot be used with fixed partitions

B.     Can be loaded almost anywhere in memory

C.    Do not need a linker

D.    Can be loaded only at one specific location

Answer: B. Can be loaded almost anywhere in memory

 

 

Question: Page Stealing

A.    Is a sign of efficient system

B.     Is taking page frames other working sets

C.    Should be the tuning goal

D.    Is taking larger disk spaces for pages paged out

Answer: B. Is taking page frames other working sets.

 

 

Question: The total time to prepare a disk drive mechanism for a block of data to be read from is its

A.    Latency

B.     Latency Plus Transmission Time

C.    Latency Plus Seek Time

D.    Latency Plus Seek Time Plus Transmission Time

Answer: C. Latency Plus Seek Time

 

 

Question: To avoid race condition, the maximum number of processes that may be simultaneously inside the critical section is

A.    Zero

B.     One

C.    Two

D.    More than Two

Answer: B. One

 

 

Question: The memory allocation scheme subject to “external” fragmentation is

A.    Segmentation

B.     Swapping

C.    Pure demand paging

D.    Multiple fixed contiguous partitions

Answer: A. Segmentation

 

 

Question: Page fault frequency in an operating system is reduced when the

A.    Processes tend to the I/O-bound

B.     Size of pages is reduced

C.    Processes tend to be CPU-bound

D.    Locality of reference is applicable to the process

Answer: D. Locality of reference is applicable to the process

 

 

Question: In which o the following page replacement policies Balady’s anomaly occurs?

A.    FFIO

B.     LRU

C.    LFU

D.    NRU

Answer: A, FFIO

 

 

Question: Which of the following are language processor?

A.    Assembler

B.     Complier

C.    Interpreter

D.    All of the above

Answer: D. All of the above

 

 

Question: Virtual memory can be implemented with

A.    Segmentation

B.     Paging

C.    None

D.    All of the above

Answer: D. All of the above

 

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