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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 5
26.
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?
Upgradability
Upward mobility
Universality
Upward compatibility
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
If special forms are needed for printing the output, the programmer specifies these forms through?
JCL
JPL
Utility programs
Load modules
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which policy replace a page if it is not in the favoured subset of a process's pages?
FIFO
LRU
LFU
Working set
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which of the following can be accesses by transfer vector approach of linking?
External data segments
External subroutines
Data located in other procedures
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following terms refers to the degree to which data in a database system are accurate and correct?
data security
data validity
data independence
data integrity
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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