Top 80+ Solved Microprocessor and Interfacing Technique MCQ Questions Answer
Q. Which are the flags of status register:
a. over flow flag
b. carry flag/ interrupt flag
c. zero flag
d. all of these
Q. The subprogram finish the return instruction recovers the return address from the:
a. stack
b. queue
c. accumulator
d. data register
Q. The processor uses the stack to keep track of where the items are stored on it this by using the:
a. stack pointer register
b. queue pointer register
c. both a & b
d. none ofthese
Q. The structure of the stack is type structure:
a. first in last out
b. last in last out
c. both a & b
d. none of these
Q. The 16 bit register is separated into groups of 4 bit where each groups is called:
a. bcd
b. nibble
c. half byte
d. none of these
Q. The processor 80386/80486 and the Pentium processor uses bits address bus:
a. 16
b. 32
c. 36
d. 64
Q. Which bus transfer singles from the CPU to external device and others that carry singles from external device to th
a. control bus
b. data bus
c. address bus
d. none of these
Q. Using 12 binary digits how many unique house addresses would be possible:
a. 28=256
b. 212=4096
c. 216=65536
d. none of these