In an operating system, what is a 'Deadlock'? MCQ with Answer and Explanation

Question

In an operating system, what is a 'Deadlock'?

A. A condition where two or more processes are permanently blocked because each is waiting for a resource held by the other.

B. The safe closing down procedure of the kernel during a reboot.

C. A situation where a process finishes its execution earlier than expected.

D. A software bug that permanently crashes the hardware system motherboard.

Answer: Option A

Solution (By JKSSB Mock Tests)

A deadlock is a specific state where a set of processes are stalled because each process holds a resource and waits for another resource held by a different process.

This question belongs to: Computer Operating Systems

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Which file allocation table structure uses an index block to store pointers to all distinct file data sectors, allowing efficient random access without fragmentation bottlenecks?

A. Indexed Allocation

B. Linear Block Mapping

C. Linked Method

D. Contiguous Method

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Correct Answer: Option A

Explanation:
Indexed allocation consolidates all block pointers into a single dedicated index block, enabling direct access to any block without linear scanning.

This question belongs to: Computer Operating Systems