This section contains more frequently asked Microprocessors Fundamental Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.
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