This section contains more frequently asked Microprocessors 8085 Questions and Answers in the various University Level and Competitive Examinations.
1. Which type of RAM needs regular referred:
- Dynamic RAM
- Static RAM
- Permanent RAM
- SD RAM
A. Dynamic RAM
2. Which RAM is created using MOS transistors:
- Dynamic RAM
- Static RAM
- Permanent RAM
- SD RAM
A. Dynamic RAM
3. A microprocessor retries instructions from :
- Control memory
- Cache memory
- Main memory
- Virtual memory
C. Main memory
4. The lower red curvy arrow show that CPU places the address extracted from the memory location on the_____:
- Address bus
- System bus
- Control bus
- Data bus
A. Address bus
5. The CPU sends out a ____ signal to indicate that valid data is available on the data bus:
- Read
- Write
- Both A and B
- None of these
B. Write
6. The CPU removes the ___ signal to complete the memory write operation:
- Read
- Write
- Both A and B
- None of these
A. Read
7. BIU STAND FOR:
- Bus interface unit
- Bess interface unit
- A and B
- None of these
A. Bus interface unit
8. EU STAND FOR:
- Execution unit
- Execute unit
- Exchange unit
- None of these
A. Execution unit
9. Which are the four categories of registers:
- General‐ purpose register
- Pointer or index registers
- Segment registers
- Other register
- All of these
E. All of these
10. Eight of the register are known as:
- General‐ purpose register
- Pointer or index registers
- Segment registers
- Other register
A. General‐ purpose register