Top 150+ Solved Advanced Operating System MCQ Questions Answer
Q. A problem encountered in multitasking when a process is perpetually denied necessary resources is called
a. deadlock
b. starvation
c. inversion
d. aging
Q. Which one of the following is a visual ( mathematical ) way to determine the deadlock occurrence?
a. resource allocation graph
b. starvation graph
c. inversion graph
d. none of the mentioned
Q. To avoid deadlock
a. there must be a fixed number of resources to allocate
b. resource allocation must be done only once
c. all deadlocked processes must be aborted
d. inversion technique can be used
Q. CPU fetches the instruction from memory according to the value of
a. program counter
b. status register
c. instruction register
d. program status word
Q. A memory buffer used to accommodate a speed differential is called
a. stack pointer
b. cache
c. accumulator
d. disk buffer
Q. Which one of the following is the address generated by CPU?
a. physical address
b. absolute address
c. logical address
d. none of the mentioned
Q. Run time mapping from virtual to physical address is done by
a. memory management unit
b. cpu
c. pci
d. none of the mentioned
Q. Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called
a. fragmentation
b. paging
c. mapping
d. none of the mentioned
Q. The address of a page table in memory is pointed by
a. stack pointer
b. page table base register
c. page register
d. program counter
Q. Program always deals with
a. logical address
b. absolute address
c. physical address
d. relative address
Q. The page table contains
a. base address of each page in physical memory
b. page offset
c. page size
d. none of the mentioned
Q. What is compaction?
a. a technique for overcoming internal fragmentation
b. a paging technique
c. a technique for overcoming external fragmentation
d. a technique for overcoming fatal error
Q. Operating System maintains the page table for
a. each process
b. each thread
c. each instruction
d. each address
Q. In segmentation, each address is specified by :
a. a segment number
b. an offset
c. a value
d. a key
Q. In paging the user provides only ________, which is partitioned by the hardware into ________ and ______.
a. one address, page number, offset
b. one offset, page number, address
c. page number, offset, address
d. none of these