Exercise: Operating Systems Concepts

Questions for: Operating Systems Concepts

Two basic types of operating systems are:
A:
sequential and direct
B:
batch and timesharing
C:
sequential and realtime
D:
batch and interactive.
Answer: D
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The most common systems security method is
A:
passwords
B:
encryption
C:
firewall
D:
all of the above
Answer: A
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Under multiprograming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.
A:
lengthened; shortened
B:
shortened; lengthened
C:
shortened; shortened
D:
lengthened; lengthened
Answer: B
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The advantage of a command processor running only built-in commands is:
A:
flexibility to the users in running lists of commands by simply collecting them in named batch command files
B:
the command set being common across different hardware configurations
C:
users can create system programs and run them as commands
D:
the processing is much faster than would other-wise be the case when user defined commands are used
Answer: B
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Object modules generated by assemblers that contain unresolved external references are resolved for two or more object modules by a/an
A:
operating system
B:
loader
C:
linker
D:
compiler
Answer: C
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