[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.
61. Time sharing OS में time खत्म होने पर process किस state में जाता है?
[A] Suspended
[B] Terminated
[C] Ready
[D] Blocked
61. In time sharing OS, process goes to which state after time slice ends?
[A] suspended
[B] terminated
[C] ready
[D] blocked
सही उत्तर: c
व्याख्या: Time quantum खत्म होने पर process ready state में जाता है।
Correct Answer: c
Explanation: Process moves to ready state after time quantum expires.
62. Blocked state से process किस state में जाता है?
[A] Terminated
[B] Suspended
[C] Running
[D] Ready
62. When blocked process completes I/O it 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: After I/O completion process moves to ready state.
63. Dispatcher का मुख्य कार्य क्या है?
[A] Ready process को CPU देना
[B] Blocked queue बनाना
[C] File manage करना
[D] Memory allocate करना
63. What is the role of dispatcher?
[A] assign CPU to ready processes
[B] create blocked queue
[C] manage files
[D] allocate memory
सही उत्तर: a
व्याख्या: Dispatcher ready processes को CPU assign करता है।
Correct Answer: a
Explanation: Dispatcher assigns CPU to ready processes.
64. FCFS algorithm किसके लिए problematic है?
[A] Operating system
[B] Multiprocessor system
[C] Time sharing system
[D] Multiprogramming system
64. FCFS is problematic for?
[A] OS
[B] multiprocessor
[C] time sharing system
[D] multiprogramming
सही उत्तर: c
व्याख्या: FCFS time sharing systems में delay पैदा करता है।
Correct Answer: c
Explanation: FCFS causes issues in time sharing systems.
65. Deadlock avoidance algorithm किसे examine करता है?
[A] Operating system
[B] Resources
[C] System storage state
[D] Resource allocation state
65. Deadlock avoidance algorithm examines?
[A] OS
[B] resources
[C] system storage state
[D] resource allocation state
सही उत्तर: d
व्याख्या: Resource allocation state check करके deadlock avoid किया जाता है।
Correct Answer: d
Explanation: It examines resource allocation state to avoid deadlock.
66. Swapping कब नहीं किया जा सकता है?
[A] जब process memory में हो
[B] जब process के पास pending I/O हो
[C] जब CPU idle हो
[D] कभी नहीं
66. Swapping cannot be done when?
[A] process in memory
[B] process has pending I/O
[C] CPU is idle
[D] never
सही उत्तर: b
व्याख्या: Pending I/O वाले process को swap नहीं किया जाता।
Correct Answer: b
Explanation: Processes with pending I/O should not be swapped.
67. Process OS को modify क्यों नहीं कर सकता?
[A] Address checking by CPU
[B] Protection algorithm
[C] Different memory spaces
[D] Different logical addresses
67. Why OS is protected from modification?
[A] CPU address check
[B] protection algorithm
[C] different memory space
[D] different logical address
सही उत्तर: a
व्याख्या: CPU relocation and limit registers protection provide करते हैं।
Correct Answer: a
Explanation: CPU checks addresses using relocation and limit registers.
68. Frame allocation track करने के लिए कौन सी table होती है?
[A] Memory table
[B] Mapping table
[C] Page table
[D] Frame table
68. Which table tracks frame allocation?
[A] memory table
[B] mapping table
[C] page table
[D] frame table
सही उत्तर: d
व्याख्या: Frame table memory frames की जानकारी रखती है।
Correct Answer: d
Explanation: Frame table keeps track of memory frames.
69. I/O subsystem में uniform interface कौन प्रदान करता है?
[A] Device drivers
[B] I/O system
[C] Devices
[D] Buses
69. Who provides uniform device interface?
[A] device drivers
[B] I/O systems
[C] devices
[D] buses
सही उत्तर: a
व्याख्या: Device drivers hardware access को standard बनाते हैं।
Correct Answer: a
Explanation: Device drivers provide uniform I/O interface.
70. Real time OS में क्या जरूरी है?
[A] Random scheduling
[B] Same priority processes
[C] Deadline based service
[D] No kernel
70. In real time OS?
[A] random scheduling
[B] same priority
[C] deadline based service
[D] no kernel
सही उत्तर: c
व्याख्या: Real-time OS में tasks को deadline के अंदर complete करना होता है।
Correct Answer: c
Explanation: Tasks must be completed before deadline.