Q. The essential content(s) in each entry of a Page table is/are: __________.
Q. A Multi level Page table is preferred in comparison to a Single level Page table for translating Virtual address to Physical address because __________.
Q. A system uses FIFO policy for page replacement. It has 4 page frames with no pages loaded to begin with. The system first accesses 100 distinct pages in some order and then accesses the same 100 pages but now in the reverse order. How many page faults will occur?
Q. Which of the following statements is false?
Q. A computer system has 6 tape drives, with n processes competing for them. Each process may need 3 tape drives. The maximum value of n for which the system is guaranteed to be deadlock free is?
Q. Consider a system having m resources of the same type. These resources are shared by 3 processes A, B and C, which have peak demands of 3, 4 and 6 respectively. For what value of m deadlock will not occur?
Q. An operating system contains 3 user processes each requiring 2 units of resource R. The minimum number of units of R such that no deadlock will ever arise is?
Q. Which of the following is/are advantages of Virtual memory?
Q. If an instruction takes i microseconds and a Page Fault takes an additional j microseconds, the effective instruction time if on an average a page fault occurs every k instructions is __________?
Q. Which of the following devices should get higher priority in assigning interrupts?
Q. Which of the following is true?
Q. Using a larger block size, in a fixed block size file system leads to __________.
Q. The data blocks of a very large file in the Unix file system are allocated using __________.
Q. For a Magnetic disk with concentric circular tracks, the Seek Latency is not linearly proportional to the seek distance due to __________.
Q. Which of the following Disk Scheduling strategy is likely to give the best throughput?
