☰ Microprocessors (Electrical Engineering) - MCQs

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Q13.

The cycle required to fetch and execute an instruction in 8085 microprocessor is which one of the following?

  • A. clock cycle
  • B. memory cycle
  • C. machine cycle
  • D. instruction cycle

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Q14.

Which one of the following is not correct?

  • A. bus is a group of wires
  • B. bootstrap is technically or device for loading first instruction
  • C. an instruction is a set of bits that defines a computer operation
  • D. an interrupt signal is required at the state of every program

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Q15.

Which one of the following register 8085 microprocessor is not a part of programming model?

  • A. instruction register
  • B. memory address register
  • C. status register
  • D. temporary data register

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Q16.

Which one of the following address in technical is not used in 8085 microprocessor?

  • A. Register
  • B. Immediate
  • C. Register indirect
  • D. Relative

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Q17.

A microprocessor based system can perform many different functions, because

  • A. its operational is controlled by software
  • B. it is digital system
  • C. it uses a RAM
  • D. it can be controlled by input and output devices

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Q18.

What are the number of memories required of size 16×4 to design a memory of size 16×8?

  • A. 2
  • B. 4
  • C. 6
  • D. 8

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