Top 80+ Solved Microprocessor and Interfacing Technique MCQ Questions Answer
Q. The register which contains the data to be written into or read out of the addressed location is called
a. memory address register
b. memory data register
c. program counter
d. index register
Q. Which of the following is used as storage locations both in the ALU and the control section of a computer ?
a. accumulator
b. register
c. adder
d. decoder
Q. The register used as a working area in CPU is
a. program counter
b. instruction register
c. instruction decoder
d. accumulator
Q. The device which is used to connect a peripheral to bus is called
a. control register
b. interface
c. communicatio n protocol
d. none of these
Q. Which of the following is a set of general purpose internal registers ?
a. stack
b. scratch pad
c. address register
d. status register
Q. Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed ?
a. accumulator
b. index register
c. instruction decoder
d. program counter
Q. Which of the following is not typically found in the status register of a micro processor ?
a. overlow
b. zero result
c. negative result
d. none of the above
Q. The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is called
a. index register
b. memory address register
c. program counter
d. instruction register
Q. Which of the following register holds the information before going to the memory ?
a. control register
b. data register
c. accumulator
d. address register
Q. Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed
a. accumulator
b. index register
c. instruction decoder
d. program counter
Q. In 8086 the following has the higest priority among all the interrupts
a. nmi
b. div o
c. type 255
d. over flow
Q. Causing a flag to became 0 is called:
a. clearing a flag
b. case a flag
c. both a and b
d. none of these