Wednesday, 25 March 2020

Operating systems questions set 2

Operating systems TRUE / FALSE questions for competitive exams



Operating Systems Quiz with Answers - 2

1. The best way to correct virtual memory thrashing is to increase the overlap between I/O and computation, namely by increasing the number of runnable threads.
(a) TRUE                                                   (b) FALSE
Answer: FALSE. Thrashing results when the working sets of running threads don’t fit in memory; you must decrease running threads to free up memory. [source: UCB]

2. Most PC operating systems do not support multi-programming.
(a) TRUE                                                   (b) FALSE
Answer: FALSE. IPC operating systems do support multi-programming. [source: UCSC]

3. Threads in a process share same file descriptors.
(a) TRUE                                                   (b) FALSE
Answer: TRUE. There is only one file descriptor table per process, and it's shared among all the threads. [source: UCSC]

4. In a modern operating system using memory protection through virtual memory, the hardware registers of a memory-mapped I/O device can only be accessed by the kernel.
(a) TRUE                                                   (b) FALSE
Answer: FALSE. The kernel can map the I/O space of the device into the memory space of a user program, thereby allowing user threads to access the device. [source: UCB]

5. A Remote Procedure Call (RPC) can be used to call a procedure in another process on the same machine.
(a) TRUE                                                   (b) FALSE
Answer: TRUE. Just make the client and server addresses to be the same. Location transparency is a fundamental aspect of RPC. [source: UCB]



***********


 






OS Interview questions with answers

solved Interview questions in operating systems

GATE questions in operating systems

TRUE/FALSE Interview questions in OS

No comments:

Post a comment

Featured Content

Multiple choice questions in Natural Language Processing Home

MCQ in Natural Language Processing, Quiz questions with answers in NLP, Top interview questions in NLP with answers Multiple Choice Que...

All time most popular contents