Computer Programming MCQs » Operating System (OS) MCQs
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What category of web-based system would you assign to discussion groups?
A. Collaborative work
B. Online communities
C. Web portals
D. Workflow-oriented
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The processes that are residing in the main memory for execution are kept on a list called?
A. Job queue
B. Ready queue
C. Execution queue
D. Process queue
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The interval from the time of submission of a process to the time of completion is termed a?
A. Waiting time
B. Turnaround time
C. Response time
D. Throughput
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Users are ……. that their processes are running on a paged system?
A. Aware
B. Unaware
C. Informed
D. None of these
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CPU fetches the instruction from memory according to the value of?
A. Program counter
B. Status register
C. Instruction register
D. Program status word
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A memory buffer used to accommodate a speed differential is called?
A. Slack pointer
B. Cache
C. Accumulator
D. Disk buffer
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Run time mapping from virtual to physical address is done by?
A. Memory management unit
B. Cpu
C. Pci
D. None of these
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Memory management technique in which the system stores and retrieves data from secondary storage for use in main memory is called?
A. Fragmentation
B. Paging
C. Mapping
D. None of these
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The interrupt-request line is a part of the ……?
A. Data line
B. Control line
C. Address line
D. None of these
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The return address from the interrupt-service routine is stored on the ……?
A. System heap
B. Processor register
C. Processor stack
D. Memory
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Word of the Day
13 May
Virulent
(of a disease or poison) extremely severe or harmful in its effects.
زہریلا، تلخی، ہلاکت آفرینی

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