[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.
191. Page memory में कब लाया जाता है?
[A] fetch
[B] placement
[C] replacement
[D] resident
191. When page is brought into memory
[A] Fetch policy
[B] Placement policy
[C] Replacement policy
[D] Resident set
सही उत्तर: Fetch policy
व्याख्या: Page load fetch policy से होता है।
Correct Answer: Fetch policy
Explanation: Page brought on demand.
192. Page कब disk में लिखा जाता है?
[A] pre-cleaning
[B] demand cleaning
[C] required cleaning
[D] fast cleaning
192. Page written to secondary memory when
[A] pre-cleaning
[B] demand cleaning
[C] required cleaning
[D] fast cleaning
सही उत्तर: demand cleaning
व्याख्या: replacement के समय write होता है।
Correct Answer: demand cleaning
Explanation: Written when replaced.
193. प्रोसेस क्या है?
[A] प्रोग्राम in execution
[B] program only
[C] processor state
[D] kernel state
193. The process is
[A] an instance of a program in execution
[B] a program only
[C] a processor state
[D] the kernel state
सही उत्तर: प्रोग्राम in execution
व्याख्या: Process एक running program होता है।
Correct Answer: an instance of a program in execution
Explanation: Process is a running program.
194. Page को जरूरत पर memory में लाने की विधि क्या है?
[A] segmentation
[B] fragmentation
[C] demand paging
[D] page replacement
194. The mechanism that brings a page into memory when needed is
[A] segmentation
[B] fragmentation
[C] demand paging
[D] page replacement
सही उत्तर: demand paging
व्याख्या: page केवल जरूरत पर load होता है।
Correct Answer: demand paging
Explanation: Page loaded on demand.
195. IPC के दो paradigms क्या हैं?
[A] call reply
[B] shared memory message passing
[C] send receive
[D] call by value reference
195. Two paradigms of IPC are
[A] call reply
[B] shared memory message passing
[C] send receive
[D] call by value reference
सही उत्तर: shared memory, message passing
व्याख्या: ये IPC के दो मुख्य मॉडल हैं।
Correct Answer: shared memory message passing
Explanation: IPC models.
196. Program और process में अंतर
[A] inactive
[B] spontaneous
[C] active
[D] impulse
196. A program is passive while a process is
[A] inactive
[B] spontaneous
[C] active
[D] impulse
सही उत्तर: active
व्याख्या: Process active execution होता है।
Correct Answer: active
Explanation: Process is active.
197. FIFO scheduling किस प्रकार का है?
[A] preemptive
[B] non preemptive
[C] deadline
[D] fair share
197. FIFO scheduling is
[A] preemptive
[B] non preemptive
[C] deadline
[D] fair share
सही उत्तर: non preemptive scheduling
व्याख्या: FIFO non-preemptive होता है।
Correct Answer: non preemptive
Explanation: FIFO is non-preemptive.
198. Transaction complete होने पर data क्या होता है?
[A] serializability
[B] synchronizability
[C] atomicity
[D] durability
198. Ensures transaction results become permanent
[A] serializability
[B] synchronizability
[C] atomicity
[D] durability
सही उत्तर: durability
व्याख्या: data permanently store हो जाता है।
Correct Answer: durability
Explanation: Results are permanent.
199. Process शुरू में कहाँ जाता है?
[A] ready queue
[B] device queue
[C] io queue
[D] waiting queue
199. A process is initially put in
[A] ready queue
[B] device queue
[C] io queue
[D] waiting queue
सही उत्तर: ready queue
व्याख्या: process ready queue में जाता है।
Correct Answer: ready queue
Explanation: Process starts in ready queue.
200. Most OS में कौन सा directory structure होता है?
[A] single
[B] two level
[C] tree
[D] acyclic
200. Most OS use which directory structure
[A] single level
[B] two level
[C] tree
[D] acyclic
सही उत्तर: tree directory structure
व्याख्या: tree structure सबसे common है।
Correct Answer: tree directory structure
Explanation: Tree structure is common.