Top 150+ Solved Computer Organization and Architecture MCQ Questions Answer
Q. A floating point number that has a O in the MSB of mantissa is said to have
a. Overflow
b. Underflow
c. Important number
d. Undefined
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. Logic gates with a set of input and outputs is arrangement of
a. Combinational circuit
b. Logic circuit
c. Design circuits
d. Register
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. A k-bit field can specify any one of
a. 3k registers
b. 2k registers
c. K2 registers
d. K3 registers
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 group of bits that tell the computer to perform a specific operation is known as
a. Instruction code
b. Micro-operation
c. Accumulator
d. Register
Q. The load instruction is mostly used to designate a transfer from memory to a processor register known as
a. Accumulator
b. Instruction Register
c. Program counter
d. Memory address Register
Q. The communication between the components in a microcomputer takes place viathe address and
a. I/O bus
b. Data bus
c. Address bus
d. Control lines
Q. An instruction pipeline can be implemented by means of
a. LIFO buffer
b. FIFO buffer
c. Stack
d. None of the above
Q. Data input command is just the opposite of a
a. Test command
b. Control command
c. Data output
d. Data channel
Q. A microprogram sequencer
a. generates the address of next micro instruction to be executed.
b. generates the control signals to execute a microinstruction.
c. sequentially averages all microinstructions in the control memory.
d. enables the efficient handling of a micro program subroutine.
Q. A flip-flop is a binary cell capable of storing information of
a. One bit
b. Byte
c. Zero bit
d. Eight bit
Q. The operation executed on data stored in registers is called
a. Macro-operation
b. Micro-operation
c. Bit-operation
d. Byte-operation