Microprocessors MCQs Set-1
This section contains more frequently asked Microprocessors MCQs (Multiple Choice Questions Answers) in the various University Level and Competitive Examinations.
1. Which is the microprocessor comprises:
- Register section
- One or more ALU
- Control unit
- All of these
✅ Correct Answer: D. All of these
2. What is the store by register?
- data
- operands
- memory
- None of these
✅ Correct Answer: A. data
3. Accumulator based microprocessor example are:
- Intel 8085
- Motorola 6809
- A and B
- None of these
✅ Correct Answer: C. A and B
4. A set of register which contain are:
- data
- memory addresses
- result
- all of these
✅ Correct Answer: D. all of these
5. There are primarily two types of register:
- general purpose register
- dedicated register
- A and B
- none of these
✅ Correct Answer: C. A and B
6. Name of typical dedicated register is:
- PC
- IR
- SP
- All of these
✅ Correct Answer: D. All of these
7. BCD stands for:
- Binary coded decimal
- Binary coded decoded
- Both a & b
- none of these
✅ Correct Answer: A. Binary coded decimal
8. Which is used to store critical pieces of data during subroutines and interrupts:
- Stack
- Queue
- Accumulator
- Data register
✅ Correct Answer: A. Stack
9. The data in the stack is called:
- Pushing data
- Pushed
- Pulling
- None of these
✅ Correct Answer: A. Pushing data
10. The external system bus architecture is created using from ______ architecture:
- Pascal
- Dennis Ritchie
- Charles Babbage
- Von Neumann
✅ Correct Answer: D. Von Neumann