This section contains more frequently asked Microprocessors 8085 Questions and Answers in the various University Level and Competitive Examinations.

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1. Which type of RAM needs regular referred:

  • Dynamic RAM
  • Static RAM
  • Permanent RAM
  • SD RAM

2. Which RAM is created using MOS transistors:

  • Dynamic RAM
  • Static RAM
  • Permanent RAM
  • SD RAM

3. A microprocessor retries instructions from :

  • Control memory
  • Cache memory
  •  Main memory
  • Virtual 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

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

6. The CPU removes the ___ signal to complete the memory write operation:

  • Read
  • Write
  • Both A and B
  • None of these

7. BIU STAND FOR:

  • Bus interface unit
  • Bess interface unit
  • A and B
  • None of these

8. EU STAND FOR:

  • Execution unit
  • Execute unit
  • Exchange unit
  • None of these

9. Which are the four categories of registers:

  • General‐ purpose register
  • Pointer or index registers
  • Segment registers
  • Other register
  • All of these

10. Eight of the register are known as:

  • General‐ purpose register
  • Pointer or index registers
  • Segment registers
  • Other register
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