Operating System (3140702) MCQs
MCQs of Introduction
| 1. |
__________ systems allow multiple remote users to run jobs on the computer at once, such as querying a big database.
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Answer:
Option (b) |
| 2. |
___________ refers to execution of multiple tasks (say processes, programs, threads etc.) at a time.
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Answer:
Option (c) |
| 3. |
____________ instruction is used to switch from user mode of system to kernel mode.
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Answer:
Option (b) |
| 4. |
__________________ systems handle large numbers of small requests such as check processing at a bank.
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Answer:
Option (c) |
| 5. |
A _______ system is one that processes routine jobs without any interactive user present such as claims processing in an insurance company.
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Answer:
Option (a) |
| 6. |
A computer running more than one program at a time is called ____________ (like running Excel and Firefox simultaneously).
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Answer:
Option (a) |
| 7. |
A computer using more than one CPU at a time is called ________________.
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Answer:
Option (b) |
| 8. |
By operating system, the resource management can be done via
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Answer:
Option (c) |
| 9. |
In any modern operating system, the CPU is actually spending time in _______ modes.
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Answer:
Option (b) |
| 10. |
Operating system lies __________
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Answer:
Option (c) |
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