Top 550+ Solved Operating System (OS) MCQ Questions Answer
Q. Binding of instructions and data to memory addresses can be done at
a. compile time
b. load time
c. execution time
d. all of the mentioned
Q. If the process can be moved during its execution from one memory segment to another, then binding must be
a. delayed until run time
b. preponed to compile time
c. preponed to load time
d. none of the mentioned
Q. What is Dynamic loading?
a. loading multiple routines dynamically
b. loading a routine only when it is called
c. loading multiple routines randomly
d. none of the mentioned
Q. What is the advantage of dynamic loading?
a. a used routine is used multiple times
b. an unused routine is never loaded
c. cpu utilization increases
d. all of the mentioned
Q. The idea of overlays is to
a. data that are needed at any given time
b. enable a process to be larger than the amount of memory allocated to it
c. keep in memory only those instructions
d. all of the mentioned
Q. The must design and program the overlay structure.
a. programmer
b. system architect
c. system designer
d. none of the mentioned
Q. If binding is done at assembly or load time, then the process be moved to different locations after being swapped out and in again.
a. can
b. must
c. can never
d. may
Q. In a system that does not support swapping
a. the compiler normally binds symbolic addresses (variables) to relocatable addresses
b. the compiler normally binds symbolic addresses to physical addresses
c. the loader binds relocatable addresses to physical addresses
d. binding of symbolic addresses to physical addresses normally takes place during execution
Q. The address generated by the CPU is referred to as
a. physical address
b. logical address
c. neither physical nor logical
d. none of the mentioned
Q. The address loaded into the memory address register of the memory is referred to as
a. physical address
b. logical address
c. neither physical nor logical
d. none of the mentioned
Q. The run time mapping from virtual to physical addresses is done by a hardware device called the
a. virtual to physical mapper
b. memory management unit
c. memory mapping unit
d. none of the mentioned
Q. The size of a process is limited to the size of
a. physical memory
b. external storage
c. secondary storage
d. none of the mentioned
Q. If execution time binding is being used, then a process be swapped to a different memory space.
a. has to be
b. can never
c. must
d. may