Operating System mcq questions With Answer | OS Question | Computer Fundamental

A. assembler

B. linking loader

C. cross compiler

D. load and go

E. None of the above

A. program in High level language kept on disk

B. contents of main memory

C. a program in execution

D. a job in secondary memory

E. None of the above

A. defines the fundamental method of determining effective operand addresses

B. are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.

C. performs indicated operations on two fast registers of the machine and leave the result in one of the registers.

D. all of the above

E. None of the above

A. is a hardware memory device which denotes the location of the current instruction being executed.

B. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

C. contains the address of the memory location that is to be read from or stored into.

D. contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

E. None of the above

A. preemptive scheduling

B. non preemptive scheduling

C. shortest job first

D. first come first served

E. None of the above

A. have both their operands in the main store.

B. which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also

C. which perform indicated operations on two fast registers of the machine and have the result in one of the registers

D. all of the above

E. None of the above

A. pages out pages that have been used recently

B. pages out pages that have not been used recently

C. pages out pages that have been least used recently

D. pages out the first page in a given area

E. None of the above

A. Security software

B. Utility program

C. Networking software

D. Documentation system

E. None of the above

A. the dispatching of a task

B. the creation of a new job

C. the creation of a new process

D. increasing the priority of a task

E. None of the above

A. is a natural consequence of virtual memory systems

B. can always be avoided by swapping

C. always occurs on large computers

D. can be caused by poor paging algorithms

E. None of the above