[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.
141. Paging और segmentation क्या प्रदान करता है?
[A] virtual memory
[B] multidimensional memory
[C] both
[D] none
141. Paging and segmentation provides?
[A] virtual memory
[B] multidimensional memory
[C] both
[D] none
सही उत्तर: Segmentation method
व्याख्या: यह virtual memory देता है।
Correct Answer: Segmentation method
Explanation: Provides virtual memory.
142. Monolithic kernel क्या है?
[A] छोटा kernel
[B] पूरा OS kernel
[C] micro kernel
[D] macro
142. Large kernel containing complete OS is?
[A] Multilithic
[B] Monolithic
[C] Micro
[D] Macro
सही उत्तर: Monolithic kernel
व्याख्या: इसमें पूरा OS शामिल होता है।
Correct Answer: Monolithic kernel
Explanation: Contains complete OS.
143. Macro kernel क्या है?
[A] small core
[B] large OS core
[C] micro
[D] none
143. Large OS core providing services is?
[A] Multilithic
[B] Monolithic
[C] Micro
[D] Macro
सही उत्तर: Macro kernel
व्याख्या: यह बड़े services देता है।
Correct Answer: Macro kernel
Explanation: Provides wide services.
144. Microkernel का function नहीं है?
[A] file management
[B] memory
[C] IPC
[D] I/O
144. Which is NOT function of microkernel?
[A] File management
[B] Memory management
[C] IPC
[D] I/O
सही उत्तर: File management
व्याख्या: Microkernel file management नहीं करता।
Correct Answer: File management
Explanation: Not part of microkernel.
145. Deadlock prevention किसे रोकता है?
[A] mutual exclusion
[B] hold and wait
[C] circular wait
[D] no preemption
145. Deadlock prevention prevents?
[A] Mutual exclusion
[B] Hold and wait
[C] Circular waits
[D] No preemption
सही उत्तर: circular waits
व्याख्या: इसे रोकना जरूरी है।
Correct Answer: Circular waits
Explanation: Prevents circular wait.
146. Disk performance को क्या कहते हैं?
[A] disk performing
[B] disk scheduling
[C] disk storing
[D] disk extending
146. Disk performance methods are called?
[A] Performing
[B] Scheduling
[C] Storing
[D] Extending
सही उत्तर: disk scheduling
व्याख्या: यह disk management है।
Correct Answer: disk scheduling
Explanation: Disk scheduling improves performance.
147. Seek time क्या है?
[A] rotation
[B] arm movement
[C] latency
[D] access
147. Time to move disk arm is?
[A] Seek time
[B] Rotational delay
[C] Latency
[D] Access
सही उत्तर: Seek time
व्याख्या: यह arm movement का time है।
Correct Answer: Seek time
Explanation: Movement of disk arm.
148. SCAN policy क्या है?
[A] one direction
[B] two direction
[C] random
[D] none
148. SCAN policy means?
[A] one direction
[B] two direction
[C] random
[D] none
सही उत्तर: SCAN
व्याख्या: यह एक direction में चलता है।
Correct Answer: SCAN
Explanation: Scans in one direction.
149. SSTF policy क्या करता है?
[A] max movement
[B] min movement
[C] random
[D] fixed
149. SSTF selects request with?
[A] least movement
[B] max movement
[C] none
[D] random
सही उत्तर: SSTF
व्याख्या: सबसे कम movement चुनता है।
Correct Answer: SSTF
Explanation: Minimum movement selected.
150. Multithreading क्या है?
[A] multiple OS
[B] multiple threads
[C] single process
[D] none
150. Multithreading is?
[A] multi OS
[B] multi threads
[C] single process
[D] none
सही उत्तर: Multithreading
व्याख्या: एक process में multiple threads होते हैं।
Correct Answer: Multithreading
Explanation: Multiple threads in one process.