October 21, 2024
Question 1 A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication is […]
October 23, 2024
Question 8 Consider the two functions incr and decr shown below. There are 5 threads each invoking incr once, and 3 threads each invoking decr once, […]
October 25, 2024
Question 3 Consider the following two threads T1 and T2 that update two shared variables a and b. Assume that initially a=b=1. Though context switching between […]
November 4, 2024
Question 4 A thread is usually defined as a “light weight process” because an operating system (OS) maintains smaller data structures for a thread than for […]
November 11, 2024
Question 4 Consider a computer system with 57-bit virtual addressing using multi-level tree-structured page tables with L levels for virtual to physical address translation. The page […]
November 14, 2024
Question 1 A graphics card has on board memory of 1MB. Which of the following modes can the card not support? A 1600 × 400 resolution […]
December 10, 2024
Question 62 Consider a memory management system that uses a page size of 2 KB. Assume that both the physical and virtual addresses start from 0. […]
December 19, 2024
Question 784 How many page faults occur in LRU page replacement algorithm for the given reference string, with four page frames 7,0,1,2,0,3,4,2,3,0,3,2,1,2,0,1 A 6 B 8 […]
December 26, 2024
Question 1 An application programmer prefers using application programming interfaces rather than invoking system calls. Which of the following is NOT the correct reason for his […]
January 3, 2025
Question 2 Which of the following is incorrect for virtual memory? A Large programs can be written B More I/O is required C More addressable memory […]
January 4, 2025
Question 1 Consider the following table of arrival time and burst time for three processes P0, P1 and P2. The pre-emptive shortest job first scheduling algorithm […]
January 4, 2025
Question 19 Let the time taken to switch between user and kernel modes of execution be t1 while the time taken to switch between two processes […]