[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.
201. Isolation property को और क्या कहते हैं?
[A] performance
[B] serializability
[C] durability
[D] atomicity
201. Isolation property is also known as
[A] performance
[B] serializability
[C] durability
[D] atomicity
सही उत्तर: serializability
व्याख्या: यह database concept है।
Correct Answer: serializability
Explanation: Also called serializability.
202. Thread क्या है?
[A] task
[B] process
[C] program
[D] light weight process
202. A thread is a
[A] task
[B] process
[C] program
[D] light weight process
सही उत्तर: light weight process
व्याख्या: thread lightweight process होता है।
Correct Answer: light weight process
Explanation: Thread is lightweight process.
203. Process completion time क्या कहलाता है?
[A] waiting time
[B] blocked time
[C] turnaround time
[D] response time
203. Interval from submission to completion is
[A] waiting time
[B] blocked time
[C] turnaround time
[D] response time
सही उत्तर: turnaround time
व्याख्या: यह total time होता है।
Correct Answer: turnaround time
Explanation: Total execution time.
204. Operating System का मतलब क्या है?
[A] program set
[B] operator way
[C] language conversion
[D] floppy operation
204. Operating System means
[A] a set of programs which controls computer working
[B] operator work
[C] language conversion
[D] floppy operation
सही उत्तर: set of programs
व्याख्या: OS computer control करता है।
Correct Answer: set of programs controlling computer
Explanation: OS controls computer.
205. User level threads के साथ कौन सा thread होता है?
[A] programmer
[B] kernel
[C] program
[D] process
205. Along with user level threads we have
[A] programmer
[B] kernel level thread
[C] program level thread
[D] process level thread
सही उत्तर: kernel level thread
व्याख्या: user threads के साथ kernel threads होते हैं।
Correct Answer: kernel level thread
Explanation: Kernel threads exist.
206. Deadlock रोकने के लिए कौन सी condition जरूरी है?
[A] mutual exclusion
[B] no preemption
[C] circular wait
[D] hold and wait
206. To prevent deadlock condition we ensure
[A] mutual exclusion
[B] no preemption
[C] circular waits
[D] hold and wait
सही उत्तर: hold and wait
व्याख्या: इस condition को prevent करना जरूरी है।
Correct Answer: hold and wait
Explanation: Avoid hold and wait.
207. Resource locking क्या करता है?
[A] multiple access
[B] single access
[C] deadlock always
[D] disk use
207. Resource locking
[A] allows multiple tasks
[B] forces single task
[C] causes deadlock
[D] disk usage
सही उत्तर: single access
व्याख्या: एक समय में एक process use करता है।
Correct Answer: forces single task
Explanation: Only one process uses resource.
208. CPU assign कौन करता है?
[A] scheduler
[B] dispatcher
[C] debugger
[D] compiler
208. Program assigning CPU is called
[A] scheduler
[B] dispatcher
[C] debugger
[D] compiler
सही उत्तर: dispatcher
व्याख्या: dispatcher CPU देता है।
Correct Answer: dispatcher
Explanation: Assigns CPU to process.
209. Kernel को operations कौन instruct करता है?
[A] shell
[B] editor
[C] system calls
[D] command
209. Kernel is instructed by
[A] shell
[B] editors
[C] system calls
[D] commands
सही उत्तर: system calls
व्याख्या: system calls kernel को instruct करते हैं।
Correct Answer: system calls
Explanation: Used for OS communication.
210. IPC buffering strategy कौन सी है?
[A] null
[B] single
[C] multiple
[D] all
210. Buffering strategies in IPC are
[A] null pointer
[B] single buffer
[C] multiple buffer
[D] all of the above
सही उत्तर: all
व्याख्या: सभी IPC buffering strategies हैं।
Correct Answer: all
Explanation: All buffering methods used.