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8085 Architecture MCQs

  • 1.  8085 microprocessor is an 8-bit microprocessor designed by?
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    Answer is : C
  • 2.  In 8085, 16-bit address bus, which can address upto?
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    Answer is : C
  • 3. There are _______ general purpose registers in 8085 processor
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    Answer is : A
  • 4. Flag register is an 8-bit register having __________ 1-bit flip-flops.
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    Answer is : C
  • 5. What is true about Program counter?
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    Answer is : D
  • 6. This signal indicates that another master is requesting the use of the address and data buses.
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    Answer is : B
  • 7. This signal is used as the system clock for devices connected with the microprocessor.
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    Answer is : B
  • 8.  Which of the following is true about Control and status signals?
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    Answer is : D
  • 9. MVI K, 20F is an example of?
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    Answer is : A
  • 10. The clock frequency of an 8085 microprocessor is 5 MHz. If the time required to execute an instruction is 1.4 ?s, then the number of T-states needed for executing the instruction is
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    Answer is : C
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