This section contains more frequently asked Microprocessors Fundamental Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. _________ Stores the instruction currently being executed:
- Instruction register
- Current register
- Both a and b
- None of these
A. Instruction register
2. In which register instruction is decoded prepared and ultimately executed:
- Instruction register
- Current register
- Both a and b
- None of these
A. Instruction register
3. The status register is also called the____:
- Condition code register
- Flag register
- A and B
- None of these
C. A and B
4. The area of memory with addresses near zero are called:
- High memory
- Mid memory
- Memory
- Low memory
D. Low memory
5. The processor uses the stack to keep track of where the items are stored on it this by using the:
- Stack pointer register
- Queue pointer register
- Both a & b
- None of these
A. Stack pointer register
6. Stack words on:
- LILO
- LIFO
- FIFO
- None of these
B. LIFO
7. Which is the basic stack operation:
- PUSH
- POP
- BOTH A and B
- None of these
C. BOTH A and B
8. SP stand for:
- Stack pointer
- Stack pop
- Stack push
- None of these
A. Stack pointer
9. How many bit stored by status register:
- 1 bit
- 4 bit
- 6 bit
- 8 bit
A. 1 bit
10. The 16 bit register is separated into groups of 4 bit where each groups is called:
- BCD
- Nibble
- Half byte
- None of these
B. Nibble
