Top 150+ Solved Computer Organization and Architecture MCQ Questions Answer
Q. MRI indicates
a. Memory Reference Information.
b. Memory Reference Instruction.
c. Memory Registers Instruction.
d. Memory Register information
Q. Self-contained sequence of instructions that performs a given computational task iscalled
a. Function
b. Procedure
c. Subroutine
d. Routine
Q. Microinstructions are stored in control memory groups, with each group specifying a
a. Routine
b. Subroutine
c. Vector
d. Address
Q. An interface that provides a method for transferring binary information betweeninternal storage and external devices is called
a. I/O interface
b. Input interface
c. Output interface
d. I/O bus
Q. An address in main memory is called
a. Physical address
b. Logical address
c. Memory address
d. Word address
Q. If the value V(x) of the target operand is contained in the address field itself, theaddressing mode is
a. immediate.
b. direct.
c. indirect.
d. implie
Q. can be represented in a signed magnitude format and in a 1’s complement format as
a. 111011 & 100100
b. 100100 & 111011
c. 011011 & 100100
d. 100100 & 011011
Q. The instructions which copy information from one location to another either in theprocessor’s internal register set or in the external main memory are called
a. Data transfer instructions.
b. Program control instructions.
c. Input-output instructions.
d. Logical instructions.
Q. A device/circuit that goes through a predefined sequence of states upon theapplication of input pulses is called
a. register
b. flip-flop
c. transistor.
d. counter.
Q. The performance of cache memory is frequently measured in terms of a quantity called
a. Miss ratio.
b. Hit ratio.
c. Latency ratio.
d. Read ratio.
Q. The information available in a state table may be represented graphically in a
a. simple diagram.
b. state diagram.
c. complex diagram.
d. data flow diagram.
Q. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called.
a. relative address mode.
b. index addressing mode.
c. register mode.
d. implied mode.
Q. An interface that provides I/O transfer of data directly to and form the memory unitand peripheral is termed as
a. DDA.
b. Serial interface.
c. BR.
d. DMA.
Q. The 2s compliment form (Use 6 bit word) of the number 1010 is
a. 111100.
b. 110110.
c. 110111.
d. 1011.