[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.
11. Process fail होने पर OS क्या करता है?
[A] New file बनाता है
[B] Log file में error लिखता है
[C] Process restart करता है
[D] CPU बंद करता है
11. What happens when a process fails?
[A] Creates new file
[B] Writes error to log file
[C] Restarts process
[D] Shuts CPU
सही उत्तर: b
व्याख्या: OS error information को log file में store करता है।
Correct Answer: b
Explanation: Errors are stored in log files for debugging.
12. Real-time OS नहीं है कौन सा?
[A] RTLinux
[B] Palm OS
[C] QNX
[D] VxWorks
12. Which is not a real-time OS?
[A] RTLinux
[B] Palm OS
[C] QNX
[D] VxWorks
सही उत्तर: b
व्याख्या: Palm OS real-time operating system नहीं है।
Correct Answer: b
Explanation: Palm OS is not a real-time operating system.
13. OS X किस प्रकार का kernel उपयोग करता है?
[A] Monolithic
[B] Microkernel
[C] Hybrid Kernel
[D] None
13. What type of kernel does OS X use?
[A] Monolithic
[B] Microkernel
[C] Hybrid Kernel
[D] None
सही उत्तर: c
व्याख्या: OS X hybrid kernel का उपयोग करता है।
Correct Answer: c
Explanation: OS X uses a hybrid kernel.
14. Time-sharing OS में time slice खत्म होने पर process क्या बनता है?
[A] Blocked
[B] Ready
[C] Running
[D] Terminated
14. In time-sharing OS, after time slice ends process goes to?
[A] Blocked
[B] Ready
[C] Running
[D] Terminated
सही उत्तर: b
व्याख्या: Time slice खत्म होने पर process ready state में चला जाता है।
Correct Answer: b
Explanation: Process moves to ready state after time quantum expires.
15. ऑपरेटिंग सिस्टम में प्रत्येक प्रक्रिया के पास क्या होता है?
[A] Open files
[B] Pending signals और handlers
[C] Address space और global variables
[D] उपरोक्त सभी
15. Each process in OS has?
[A] Open files
[B] Pending signals and handlers
[C] Address space and global variables
[D] All of the mentioned
सही उत्तर: d
व्याख्या: हर process का अपना address space, files और signals होते हैं।
Correct Answer: d
Explanation: Each process has its own memory space, files and signals.
16. Time-sharing OS में time slice खत्म होने पर process किस state में जाता है?
[A] Suspended
[B] Terminated
[C] Ready
[D] Blocked
16. After time slice ends in time-sharing OS?
[A] Suspended
[B] Terminated
[C] Ready
[D] Blocked
सही उत्तर: c
व्याख्या: Time slice खत्म होने पर process ready state में चला जाता है।
Correct Answer: c
Explanation: Process moves to ready state after CPU time ends.
17. Cascading termination क्या है?
[A] Child process का termination
[B] Parent terminate होने पर सभी child process का termination
[C] Only one process terminate
[D] None
17. What is cascading termination?
[A] Child process termination
[B] All child processes terminate when parent terminates
[C] Single process termination
[D] None
सही उत्तर: b
व्याख्या: Parent process terminate होने पर उसके child processes भी terminate हो जाते हैं।
Correct Answer: b
Explanation: All child processes are terminated when parent process ends.
18. Blocked state से process complete होने पर किस state में जाता है?
[A] Terminated
[B] Suspended
[C] Running
[D] Ready
18. After I/O completion from blocked state process goes to?
[A] Terminated
[B] Suspended
[C] Running
[D] Ready
सही उत्तर: d
व्याख्या: I/O complete होने पर process ready state में जाता है।
Correct Answer: d
Explanation: Process moves to ready state after I/O completion.
19. Transient OS code क्या है?
[A] Always memory में रहता है
[B] कभी memory में नहीं आता
[C] जरूरत के अनुसार आता-जाता है
[D] Hidden code
19. What is transient OS code?
[A] Always in memory
[B] Never enters memory
[C] Comes and goes as needed
[D] Hidden code
सही उत्तर: c
व्याख्या: Transient code आवश्यकता अनुसार memory में आता और जाता है।
Correct Answer: c
Explanation: It loads only when required.
20. Process scheduler का dispatching function क्या करता है?
[A] Blocked queue assign करता है
[B] CPU को ready process assign करता है
[C] Memory allocate करता है
[D] I/O handle करता है
20. What does dispatcher do?
[A] Assign blocked queue
[B] Assign CPU to ready process
[C] Allocate memory
[D] Handle I/O
सही उत्तर: b
व्याख्या: Dispatcher ready process को CPU देता है।
Correct Answer: b
Explanation: It assigns CPU to ready processes.