Top 150+ Solved Computer Organization and Architecture MCQ Questions Answer
Q. A page fault
a. Occurs when there is an error in a specific page.
b. Occurs when a program accesses a page of main memory.
c. Occurs when a program accesses a page not currently in main memory.
d. Occurs when a program accesses a page belonging to another program.
Q. The load instruction is mostly used to designate a transfer from memory to aprocessor register known as____.
a. Accumulator
b. Instruction Register
c. Program counter
d. Memory address Register
Q. A group of bits that tell the computer to perform a specific operation isknown as____.
a. Instruction code
b. Micro-operation
c. Accumulator
d. Register
Q. The time interval between adjacent bits is called the_____.
a. Word-time
b. Bit-time
c. Turn around time
d. Slice time
Q. A k-bit field can specify any one of_____.
a. 3k registers
b. 2k registers
c. K2 registers
d. K3 registers
Q. MIMD stands for _____.
a. Multiple instruction multiple data
b. Multiple instruction memory data
c. Memory instruction multiple data
d. Multiple information memory data
Q. Logic gates with a set of input and outputs is arrangement of______.
a. Computational circuit
b. Logic circuit
c. Design circuits
d. Register
Q. The average time required to reach a storage location in memory and obtainits contents is called_____.
a. Latency time.
b. Access time.
c. Turnaround time.
d. Response time.
Q. The BSA instruction is______.
a. Branch and store accumulator
b. Branch and save return address
c. Branch and shift address
d. Branch and show accumulator
Q. A floating point number that has a O in the MSB of mantissa is said tohave_____.
a. Overflow
b. Underflow
c. Important number
d. Undefined
Q. Translation from symbolic program into Binary is done in_____.
a. Two passes.
b. Directly
c. Three passes.
d. Four passes.
Q. The instruction ‘ORG O’ is a______.
a. Machine Instruction.
b. Pseudo instruction.
c. High level instruction.
d. Memory instruction.
Q. ‘Aging registers’ are _______.
a. Counters which indicate how long ago their associated pages have been referenced.
b. Registers which keep track of when the program was last accessed.
c. Counters to keep track of last accessed instruction.
d. Counters to keep track of the latest data structures referre
Q. Memory unit accessed by content is called______.
a. Read only memory
b. Programmable Memory
c. Virtual Memory
d. Associative Memory
Q. _________ register keeps tracks of the instructions stored in program storedin memory.
a. AR (Address Register)
b. XR (Index Register)
c. PC (Program Counter)
d. AC (Accumulator)