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Main Subjects MCQs With Answers
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What topology connects every network device to a central hub or switch using individual cables?
ABus Topology
BRing Topology
CStar Topology
DMesh Topology
Which error-checking code uses extra parity bits inserted at specific positions to detect and correct single-bit memory errors?
ACyclic Redundancy Check (CRC)
BChecksum
CHamming Code
DLRC (Longitudinal Redundancy Check)
Which condition occurs in an Operating System when two or more processes are blocked indefinitely, each waiting for a resource held by the other?
AThrashing
BDeadlock
CStarvation
DPaging
What CPU scheduling algorithm allocates time slices (quanta) to each process in a cyclic order without priority?
AFirst-Come, First-Served (FCFS)
BShortest Job First (SJF)
CRound Robin (RR)
DPriority Scheduling
In memory management, what is the term for the memory management technique that allows execution of processes that are not completely loaded in physical RAM?
AVirtual Memory
BStatic Partitioning
CCompaction
DSegmentation
Choose the correct passive voice for the active sentence with the impersonal subject ‘one’: ‘One should respect elders.’
AElders should respect one.
BOne's elders should be respected by one.
CElders should be respected.
DOne should be respected elders.
Choose the correct passive voice for the active sentence with the verb ‘help’: ‘She helped him finish the project.’
AHe helped to finish the project by her.
BHe was helped to finish the project by her.
CHe was helping to finish the project by her.
DHe was helped finish the project by her.
Choose the correct passive voice for the active sentence: ‘The scholarship enabled her to study abroad.’
AShe was enabling to study abroad by the scholarship.
BShe was enabled to study abroad by the scholarship.
CShe enabled to study abroad by the scholarship.
DShe was enabled study abroad by the scholarship.
Choose the correct passive voice for the question: ‘Whose car did they damage?’
AWhose was car damaged by them?
BWhose car did damage by them?
CWhose car was damage by them?
DWhose car was damaged by them?
Which sentence correctly uses the present simple tense to give step-by-step instructions?
AFirst, you are heating the oil, then you are adding the onions.
BFirst, you heated the oil, then you added the onions.
CFirst, you will heat the oil, then you will add the onions.
DFirst, you heat the oil, then you add the onions.