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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 4
46.
The advantage of a command processor running only built-in commands is:
flexibility to the users in running lists of commands by simply collecting them in named batch command files
the command set being common across different hardware configurations
users can create system programs and run them as commands
the processing is much faster than would other-wise be the case when user defined commands are used
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Under multiprograming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.
lengthened; shortened
shortened; lengthened
shortened; shortened
lengthened; lengthened
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The most common systems security method is
passwords
encryption
firewall
all of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Two basic types of operating systems are:
sequential and direct
batch and timesharing
sequential and realtime
batch and interactive.
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Daisy chain is a device for
connecting a number of controllers to a device
connecting a number of devices to a controller
interconnecting a number of devices to a number of controllers
all of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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