Q1. What are the two types of Semaphore?
(A) Counting Semaphores and Binary Semaphores
(B) Digital Semaphores and Binary Semaphores
(C) Analog Semaphores and Octal Semaphores
(D) Critical Semaphores and System Semaphores
Answer: Counting Semaphores and Binary Semaphores
Explanation:
Q2. Piece of code that only one thread can execute at a time is called?
(A) Mutual Exclusion
(B) Critical Section
(C) Synchronization
(D) All of these
Answer: Critical Section
Explanation:
Q3. When a thread waits indefinitely for some resource, but other threads are actually using it is called?
(A) Demand Paging
(B) Segmentation
(C) Starvation
(D) None of these
Answer: Starvation
Explanation:
Q4. Bring a page into memory only when it is needed is called:
(A) Demand Paging
(B) Demand Memory
(C) Page Fault
(D) Page Segmentation
Answer: Demand Paging
Explanation:
Q5. In which type of the operating system response time is crucial
(A) Network operating system
(B) Real time operating system
(C) Batch operating system
(D) UNIX operating system
Answer: Real time operating system
Explanation:
Q6. Virtual memory is:
(A) Extremely large secondary memory
(B) Extremely large internal memory
(C) An illusion of extremely large main memory
(D) None of these
Answer: An illusion of extremely large main memory
Explanation:
Q7. Which of the following file format supported in Windows7?
(A) BSD
(B) NTFS
(C) EXT
(D) All of the above
Answer: NTFS
Explanation:
Q8. The strategy of allowing processes that are logically runnable to be temporarily suspended is called
(A) shortest job first
(B) preemptive scheduling
(C) first come first serve
(D) non preemptive scheduling
Answer: preemptive scheduling
Explanation:
Q9. A system program that combines the separately compiled modules of a program into a form suitable for execution
(A) linking loader
(B) cross compiler
(C) assembler
(D) None of the above
Answer: linking loader
Explanation:
Q10. Which of the following operating system is developed by Apple?
(A) Windows
(B) Linux
(C) DOS
(D) Mac OS
Answer: Mac OS
Explanation:
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