Exercise: Operating Systems Concepts

Questions for: Operating Systems Concepts

Which of following is/are the advantage(s) of modular programming?
A:
The program is much easier to change
B:
Modules can be reused in other programs
C:
Easy debugging
D:
Easy to compile
Answer: A
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A hardware device that is capable of executing a sequence of instructions, is known as
A:
CPU
B:
ALU
C:
CU
D:
Processor
Answer: D
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Which of the following terms refers to the degree to which data in a database system are accurate and correct?
A:
data security
B:
data validity
C:
data independence
D:
data integrity
Answer: D
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Which of the following can be accesses by transfer vector approach of linking?
A:
External data segments
B:
External subroutines
C:
Data located in other procedures
D:
All of the above
Answer: B
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Which policy replace a page if it is not in the favoured subset of a process's pages?
A:
FIFO
B:
LRU
C:
LFU
D:
Working set
Answer: D
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