Top 550+ Solved Operating System (OS) MCQ Questions Answer
Q. The operation that does not involves clock cycles is
a. installation of a device
b. execute
c. fetch
d. decode
Q. The number of clock cycles per second is referred as
a. clock speed
b. clock frequency
c. clock rate
d. clock timing
Q. CISC stands for
a. complex information sensed cpu
b. complex instruction set computer
c. complex intelligence sensed cpu
d. complex instruction set cpu
Q. Which of the following processor has a fixed length of instructions?
a. cisc
b. risc
c. epic
d. multi-core
Q. The architecture that uses a tighter coupling between the compiler and the processor is
a. epic
b. multi-core
c. risc
d. cisc
Q. MAR stands for
a. memory address register
b. main address register
c. main accessible register
d. memory accessible register
Q. A circuitry that processes that responds to and processes the basic instructions that are required to drive a computer system is
a. memory
b. alu
c. cu
d. processor
Q. Any electronic holding place where data can be stored and retrieved later whenever required is
a. memory
b. drive
c. disk
d. circuit
Q. Which of the following is the fastest means of memory access for CPU?
a. registers
b. cache
c. main memory
d. virtual memory
Q. The memory implemented using the semiconductor chips is
a. cache
b. main
c. secondary
d. registers
Q. Size of the memory mainly depends on the size of the address bus.
a. main
b. virtual
c. secondary
d. cache
Q. Which of the following is independent of the address bus?
a. secondary memory
b. main memory
c. onboard memory
d. cache memory
Q. storage is a system where a robotic arm will connect or disconnect off- line mass storage media according to the computer operating system demands.
a. secondary
b. virtual
c. tertiary
d. magnetic