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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 2
11.
When did IBM release the first version of disk operating system DOS version 1.0?
1981
1982
1983
1984
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following is false about disk when compared to main memory?
non-volatile
longer storage capacity
lower price per bit
faster
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Producer consumer problem can be solved using
semaphores
event counters
monitors
all of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because
they are memory resident
they are initially stored on disk
they are available on magnetic tapes
they are partly in primary memory and partly on disk
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The CPU, after receiving an interrupt from an I/O device
halts for a predetermined time
hands over control of address bus and data bus to the interrupting device
branches off to the interrupt service routine immediately
branches off to the interrupt service routine after completion of the current instruction
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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