Microprocessor MCQ

Microprocessor MCQ | Freshers & Experienced

  • Ketan Chauhan
  • 13th Feb, 2021

We have listed here the best Microprocessor MCQ Questions for your basic knowledge of Microprocessor. This Microprocessor MCQ Test contains 25 multiple Choice Questions. You have to select the right answer to every question.

Microprocessor MCQ Questions

1) Which of the correct statements for Intel 8085 ?

  • A. Program Counter (PC) specifies the address of the instruction last executed
  • B.PC specifies the address of the instruction being executed
  • C.PC specifies the address of the instruction to be executed
  • D.PC specifies the number of instructions executed so far

2) What are the Processor status word of 8085 microprocessor?

  • A. S, Z, AC, P, OV
  • B.S, Z, AC, P, CY
  • C.S, Z, OV, P, CY
  • D.S, OV, AC, P, CY

3) What is the microprocessor comprises?

  • A. Register section
  • B.One or more ALU
  • C.Control unit
  • D.All of the above

4) What is the store by register?

  • A. Data
  • B.Memory
  • C.Operands
  • D.None of these

5) What is the full form of BCD?

  • A. Binary coded decimal
  • B.Binary coded decoded
  • C.Both A and B
  • D.None of these

6) The data in the stack is called

  • A. Pulling data
  • B.Pushing data
  • C.Pulling data
  • D.None of these

7) PROM stand for:

  • A. Programmable read write memory
  • B.Programmable read- only memory
  • C.Programmer read and write memory
  • D.None of these

8) Which of the following doesn't control bus signal?

  • A. READ
  • B.WRITE
  • C.RESET
  • D.None of these

9) Customized ROMS are called:

  • A. Flash ROM
  • B.EPROM
  • C.Mask ROM
  • D.None of the above

10) What is the location of each memory?

  • A. Address
  • B.Contents
  • C.A and B
  • D.None of these

11) What do you mean by FPGA?

  • A. Field Parallel Gate Array
  • B.Field Programmable Gate Array
  • C.Forward Programmable Gate Array
  • D.Forward Parallel Gate Array

12) Which language could be used for programming an FPGA?

  • A. VHDL
  • B.Verilog
  • C.Both A and B
  • D.None of the above

13) How many pins in 8085 microprocessor?

  • A. 40
  • B.35
  • C.41
  • D.46

14) What is the full form of SIM?

  • A. Sorting interrupt mask.
  • B.Set interrupt mask.
  • C.Select interrupt mask.
  • D.None of these.

15) Which clock pulses are generated by the microprocessor so as to handle the timing and control operations related to internal functioning level?

  • A. anti-phase clock pulses
  • B.single phase clock pulses
  • C.multi-phase clock pulses
  • D.none of the above

16) Which stack is used in 8085 microprocessors?

  • A. FILO
  • B.LILO
  • C.LIFO
  • D.FIFO

17) In how many different modes a universal shift register operates?

  • A. 5
  • B.2
  • C.3
  • D.4

18) IP Stand for:

  • A. Instruction paints
  • B.Instruction pointer
  • C.Instruction purpose
  • D.None of these

19) How many bits the instruction pointer is wide?

  • A. 32 bit
  • B.128 bit
  • C.16 bit
  • D.64 bit

20) Which memories needs refresh?

  • A. SRAM
  • B.DRAM
  • C.ROM
  • D.All of above

21) Which processor structure is pipelined?

  • A. all x85 processors
  • B.all x86 processors
  • C.all x80 processors
  • D.None of these

22) Which Interrupt has the highest Priority?

  • A. RST6.5
  • B.INTR.
  • C.TRAP
  • D.RST7.5

23) How many Interrupts are there In 8085?

  • A. 15
  • B.12
  • C.17
  • D.14

24) To avoid loading during read operation, the device used is

  • A. buffer
  • B.latch
  • C.flipflop
  • D.tristate buffer

25) Which is the ADC among the following?

  • A. ICL7109
  • B.74245
  • C.AD 7523
  • D.74373

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