[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.

171. Process image elements

[A] user data

[B] system data

[C] program

[D] all

171. Process image elements are

[A] user data

[B] system data

[C] user program

[D] system stack

सही उत्तर: all

व्याख्या: सभी process image का हिस्सा हैं।

Correct Answer: All

Explanation: All are included.

172. Interrupt matching question

[A] i-b ii-c iii-a

[B] i-a ii-c iii-b

[C] i-c ii-b iii-a

[D] none

172. Interrupt Trap Supervisor Call matching

[A] i-a

[B] i-b

[C] i-c

[D] none

सही उत्तर: i-b ii-c iii-a

व्याख्या: Interrupt = external event etc.

Correct Answer: i-b ii-c iii-a

Explanation: Correct mapping.

173. डिस्पैचिंग की यूनिट क्या कहलाती है?

[A] Thread

[B] Lightweight process

[C] Process

[D] A और B दोनों

173. The unit of dispatching is usually referred to as

[A] Thread

[B] Lightweight process

[C] Process

[D] Both A and B

सही उत्तर: A और B दोनों

व्याख्या: Thread और lightweight process दोनों dispatch unit हो सकते हैं।

Correct Answer: Both A and B

Explanation: Both thread and lightweight process can be dispatch unit.

174. Single user process और single thread को support करने वाला OS कौन सा है?

[A] UNIX

[B] MS-DOS

[C] OS/2

[D] Windows 2000

174. Example of OS supporting single user process and single thread is

[A] UNIX

[B] MS-DOS

[C] OS/2

[D] Windows 2000

सही उत्तर: MS-DOS

व्याख्या: MS-DOS single user single task system है।

Correct Answer: MS-DOS

Explanation: MS-DOS supports single user single task.

175. Unix और Java runtime environment के बारे में कथन

[A] True-False

[B] True-True

[C] False-True

[D] False-False

175. State true or false

[A] True False

[B] True True

[C] False True

[D] False False

सही उत्तर: True-True

व्याख्या: दोनों कथन सही हैं।

Correct Answer: True True

Explanation: Both statements are true.

176. Threads बहुत effective क्यों होते हैं?

[A] kernel thread

[B] user thread

[C] alterable thread

[D] application thread

176. Why user-level threads are effective?

[A] Kernel-level threads

[B] User-level threads

[C] Alterable threads

[D] Application threads

सही उत्तर: User-level threads

व्याख्या: mode switch की जरूरत नहीं होती।

Correct Answer: User-level threads

Explanation: No mode switch required.

177. Mutual exclusion क्या है?

[A] resource sharing

[B] single access

[C] deadlock

[D] starvation

177. Mutual exclusion is

[A] resource sharing

[B] single access

[C] deadlock

[D] starvation

सही उत्तर: Mutual Exclusion

व्याख्या: एक समय में एक ही process access करता है।

Correct Answer: Mutual Exclusion

Explanation: Only one process accesses resource.

178. Process synchronization techniques किस लिए उपयोग होती हैं?

[A] resource conflict

[B] busy waiting

[C] deadlock

[D] starvation

178. Techniques used for synchronization are

[A] Mutual Exclusion

[B] Busy Waiting

[C] Deadlock

[D] Starvation

सही उत्तर: Mutual Exclusion

व्याख्या: process coordination के लिए उपयोग होती हैं।

Correct Answer: Mutual Exclusion

Explanation: Used to resolve resource conflicts.

179. Deadlock क्या है?

[A] blocking

[B] temporary wait

[C] permanent blocking

[D] resource sharing

179. Deadlock is

[A] blocking

[B] temporary

[C] permanent blocking

[D] mutual access

सही उत्तर: Deadlock

व्याख्या: यह permanent blocking है।

Correct Answer: Deadlock

Explanation: Permanent blocking of processes.

180. Deadlock के conditions कौन से हैं?

[A] Mutual exclusion hold wait no preemption circular wait

[B] ii iii iv

[C] i iii iv

[D] all

180. Conditions for deadlock are

[A] Mutual exclusion

[B] Hold and wait

[C] No preemption

[D] Circular wait

सही उत्तर: All

व्याख्या: सभी conditions जरूरी हैं।

Correct Answer: All

Explanation: All conditions must be present.