MCQ

image

MICROPROCESSOR AND MICROCONTROLLER INTERFACING

Q1. In a microcomputer, microprocessor is its

Q2. What does a microprocessor understand after decoding opcode?

Q3. In the microprocessor 8085, the address of the next instruction to be executed is stored in

Q4. In 8051, the register that can be used as a scratch pad is

Q5. Which of the following is true about stack pointer?

Q6. A fetch cycle is the_______________.

Q7. The intel 8086 microprocessor is a ____ bit processor.

Q8. There are _______ general purpose registers in 8085 processor

Q9. Which of the following instructions will not set the 'zero' flag

Q10. Memory mapped I/O scheme for allocation of address to memories and I/O devices, is used for