Exercise: Operating Systems Concepts

Questions for: Operating Systems Concepts

The SJF algorithm executes first the job
A:
that last entered the queue
B:
that first entered the queue
C:
that has been in the queue the longest
D:
with the least processor needs
Answer: D
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What is the name given to the software which can be legally compiled and often used for free?
A:
Shareware program
B:
Public domain program
C:
Firmware program
D:
Mindware
Answer: B
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A file organization component of a VSAM file is:
A:
relative record data set
B:
keyed sequential data set
C:
entry sequential data set
D:
all of the above
Answer: D
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The working set theory of programming behaviour of processes running within an operating system involves
A:
the collection of pages that a process accesses
B:
disk scheduling mechanisms
C:
coalescing holes in memory
D:
assigning the CPU to processes
Answer: A
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Which of the following is a type of systems software used on microcomputers?
A:
MS-DOS
B:
PC-DOS
C:
Unix
D:
All of the above
Answer: D
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