[Operating System MCQS ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ Operating System MCQS ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.

281. System failure tolerate करना क्या है?

[A] fault avoidance

[B] fault tolerance

[C] detection

[D] recovery

281. System continuing in failure is

[A] fault avoidance

[B] fault tolerance

[C] detection

[D] recovery

सही उत्तर: fault tolerance

व्याख्या: system continue करता है।

Correct Answer: fault tolerance

Explanation: Fault handling.

282. Interrupt handling कौन करता है?

[A] device handler

[B] controller

[C] scheduler

[D] buffer

282. Interrupt handling is done by

[A] device handler

[B] controller

[C] scheduler

[D] buffer

सही उत्तर: I/O device handler

व्याख्या: interrupt handle करता है।

Correct Answer: I/O device handler

Explanation: Handles interrupts.

283. Multithreaded system में क्या सही है?

[A] new memory

[B] main thread ends

[C] single thread

[D] none

283. Multithreaded environment statement

[A] new memory

[B] main thread ends

[C] single thread

[D] none

सही उत्तर: main thread terminates after children

व्याख्या: child threads complete होना जरूरी है।

Correct Answer: main thread ends after children

Explanation: Thread behavior.

284. Process tracking structure?

[A] PCB

[B] user block

[C] memory block

[D] hardware block

284. Process state structure is

[A] PCB

[B] user control block

[C] memory control block

[D] hardware control block

सही उत्तर: process control block

व्याख्या: PCB store करता है।

Correct Answer: PCB

Explanation: Process info.

285. Virtual device क्या है?

[A] none use

[B] shared to dedicated

[C] dedicated to shared

[D] shared

285. Virtual device is

[A] dedicated for none

[B] shared to dedicated

[C] dedicated to shared

[D] shared

सही उत्तर: shared device converted to dedicated

व्याख्या: virtual device concept है।

Correct Answer: shared converted

Explanation: Virtualization.

286. CPU scheduling किसका base है?

[A] batch

[B] real time

[C] multiprogramming

[D] mono

286. CPU scheduling basis is

[A] batch

[B] real time

[C] multiprogramming

[D] monoprogramming

सही उत्तर: multiprogramming

व्याख्या: multiprogramming OS का base है।

Correct Answer: multiprogramming

Explanation: Core concept.

287. TLB क्या है?

[A] cache page table

[B] inverse table

[C] segment table

[D] index table

287. TLB is

[A] cache page table

[B] inverse page table

[C] segment table

[D] index table

सही उत्तर: translation lookaside buffer

व्याख्या: fast cache memory है।

Correct Answer: TLB

Explanation: Fast memory cache.

288. I/O peak smooth करने की technique?

[A] spooling

[B] buffering

[C] swapping

[D] paging

288. Technique to smooth I/O demand

[A] spooling

[B] buffering

[C] swapping

[D] paging

सही उत्तर: buffering

व्याख्या: buffering peaks smooth करता है।

Correct Answer: buffering

Explanation: Load balancing.

289. Kernel type system?

[A] monolithic

[B] micro

[C] macro

[D] complex

289. Kernel system type is

[A] monolithic

[B] micro

[C] macro

[D] complex

सही उत्तर: monolithic

व्याख्या: complete kernel system होता है।

Correct Answer: monolithic

Explanation: Full kernel system.

290. Process unsafe state?

[A] safe

[B] unsafe

[C] starvation

[D] deadlock

290. Unsafe process state is

[A] safe

[B] unsafe

[C] starvation

[D] deadlock

सही उत्तर: deadlock

व्याख्या: process stuck हो सकता है।

Correct Answer: deadlock

Explanation: Blocked state.