Exercise: Operating Systems Concepts

Questions for: Operating Systems Concepts

What is the name of the operating system that reads and reacts in terms of actual time.
A:
Batch system
B:
Quick response system
C:
Real time system
D:
Time sharing system
Answer: C
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Indicate which, of the following, is not true about Nassi-Shneiderman charts
A:
These charts are type of graphical design tool
B:
These charts cannot represent CASE constructs
C:
These charts can represent three fundamental control structures
D:
All of the above
Answer: B
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Part of a program where the shared memory is accessed and which should be executed invisibly, is called
A:
semaphores
B:
directory
C:
critical section
D:
mutual exclusion
Answer: C
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The total time to prepare a disk drive mechanism for a block of data to be read from it is
A:
latency
B:
latency plus transmission time
C:
latency plus seek time
D:
latency plus seek time plus transmission time
Answer: C
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In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into
A:
periods
B:
sectors
C:
zones
D:
groups
Answer: B
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