[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.
221. IPC failure का कारण क्या हो सकता है?
[A] request loss
[B] datagram
[C] multi datagram
[D] message passing
221. Failure in IPC may be due to
[A] request transfer
[B] single datagram
[C] multi datagram
[D] message passing
सही उत्तर: single datagram messages
व्याख्या: messages loss हो सकता है।
Correct Answer: single datagram messages
Explanation: Message loss issue.
222. Direct mapping fast algorithm क्या कहलाता है?
[A] hashing
[B] searching
[C] sorting
[D] indexing
222. Direct mapping using fast algorithm is
[A] hashing
[B] searching
[C] sorting
[D] indexing
सही उत्तर: hashing
व्याख्या: यह fast mapping technique है।
Correct Answer: hashing
Explanation: Fast lookup method.
223. Processor system जिसमें shared memory नहीं होती?
[A] tightly
[B] parallel
[C] loosely coupled
[D] batch
223. System where processors do not share memory is
[A] tightly coupled
[B] parallel
[C] loosely coupled
[D] batch
सही उत्तर: loosely coupled system
व्याख्या: हर processor की own memory होती है।
Correct Answer: loosely coupled system
Explanation: Independent memory systems.
224. CPU और I/O दोनों busy रखने की technique?
[A] time sharing
[B] spooling
[C] preemptive
[D] multiprogramming
224. Technique to keep CPU and I/O busy is
[A] time sharing
[B] spooling
[C] preemptive
[D] multiprogramming
सही उत्तर: multiprogramming
व्याख्या: CPU और I/O parallel चलते हैं।
Correct Answer: multiprogramming
Explanation: Improves resource usage.
225. Root directory वाला simple structure क्या है?
[A] flat
[B] single
[C] hierarchical
[D] indexed
225. Directory with only root file is
[A] flat
[B] single
[C] hierarchical
[D] indexed
सही उत्तर: flat directory
व्याख्या: कोई subdirectory नहीं होती।
Correct Answer: flat directory
Explanation: Simple structure.
226. OS abstractions maintain कौन करता है?
[A] kernel
[B] system libraries
[C] utilities
[D] daemons
226. Who maintains OS abstractions?
[A] kernel
[B] system libraries
[C] utilities
[D] daemons
सही उत्तर: kernel
व्याख्या: Kernel OS functions manage करता है।
Correct Answer: kernel
Explanation: Core OS component.
227. 4 message IPC protocol में सही sequence क्या है?
[A] request reply ack
[B] reply request ack
[C] request ack reply ack
[D] request request reply ack
227. Four message IPC protocol is
[A] request reply
[B] reply ack
[C] request ack reply ack
[D] request request reply ack
सही उत्तर: request acknowledgement reply acknowledgement
व्याख्या: यह correct flow है।
Correct Answer: request acknowledgement reply acknowledgement
Explanation: Reliable communication flow.
228. Root से शुरू होने वाला path क्या कहलाता है?
[A] absolute
[B] relative
[C] hybrid
[D] hierarchical
228. Path starting from root directory is
[A] absolute
[B] relative
[C] hybrid
[D] hierarchical
सही उत्तर: absolute
व्याख्या: यह root based path होता है।
Correct Answer: absolute
Explanation: Starts from root.
229. Fragmentation कहाँ होती है?
[A] static storage
[B] static allocation
[C] stack
[D] heap
229. Fragmentation occurs in
[A] static storage
[B] static allocation
[C] stack
[D] heap
सही उत्तर: heap allocation
व्याख्या: heap memory में fragmentation होती है।
Correct Answer: heap allocation
Explanation: Occurs in heap memory.
230. Idempotency का मतलब क्या है?
[A] reliability
[B] repeatability
[C] survivability
[D] flexibility
230. Idempotency means
[A] reliability
[B] repeatability
[C] survivability
[D] flexibility
सही उत्तर: repeatability
व्याख्या: same operation repeat करने पर same result आता है।
Correct Answer: repeatability
Explanation: Same result on repetition.