Quiz  /  Microprocessors and Microcontrollers Gate & PSU MCQ Questions With...

  • 1. 
    Which is the type of memory for information that does not change on your computer?

  • ROM
  • RAM
  • ERAM
  • RW/RAM

  • 2. 
    7. Give the names of the buses present in a controller for transferring data from one place to another?

  • data bus, address bus
  • data bus
  • data bus, address bus, control bus
  • address bus

  • 3. 
    In 8085 name the 16 bit registers?

  • Stack pointer
  • Program counter
  • Register
  • Both Stack pointer and Program counter

  • 4. 
    1. A microcontroller at-least should consist of:

  • RAM, ROM, I/O ports and timers
  • CPU, RAM, I/O ports and timers
  • CPU, RAM, ROM, I/O ports and timers
  • CPU, ROM, I/O ports and timers

  • 5. 
    What is true about microprocessor?

  • Microprocessor is a controlling unit of a micro-computer
  • It is fabricated on a small chip capable of performing ALU (Arithmetic Logical Unit) operations
  • It also communicate with the other devices connected to it.
  • All of the above

  • 6. 
    What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

  • Mnemonics
  • Directives
  • Identifiers
  • Operands

  • 7. 
    The advantage of memory mapped I/O over I/O mapped I/O is,

  • Faster
  • Many instructions supporting memory mapped I/O
  • Require a bigger address decoder
  • All the above

  • 8. 
    The data in the stack is called______

  • Pushing Data
  • Pushed data
  • Pulling data
  • None of these

  • 9. 
    9. What is the most appropriate criterion for choosing the right microcontroller of our choice?

  • speed
  • availability
  • ease with the product
  • all of the mentioned

  • 10. 
    There are _______ general purpose registers in 8085 processor

  • 5
  • 6
  • 7
  • 8

  • 11. 
    2. Unlike microprocessors, microcontrollers make use of batteries because they have:

  • high power dissipation
  • low power consumption
  • low voltage consumption
  • low current consumption

  • 12. 
    FIrst microprocessor build by the Intel Corporation was called_____

  • 8008
  • 8080
  • 4004
  • 8800

  • 13. 
    The addressing mode shown in the given figure is

  • Immediate addressing mode
  • Direct addressing mode
  • Register indirect addressing mode
  • Register addressing mode

  • 14. 
    8. What is the file extension that is loaded in a microcontroller for executing any instruction?

  • .doc
  • .c
  • .txt
  • .hex

  • 15. 
    The number of bits processed in a single instruction is known as ?

  • Instruction Set
  • Bandwidth
  • Bandspeed
  • Instruction Speed

  • 16. 
    BCD stands for_____________

  • Binary Coded Decimal
  • Binary Coded Decoder
  • Bit coded data
  • None of these

  • 17. 
    The memory which is programmed at the time it is manufactured

  • PROM
  • RAM
  • EPROM
  • All of these

  • 18. 
    8086 Microprocessor supports _______ modes of operation.

  • 2
  • 3
  • 4
  • 5

  • 19. 
    6. Abbreviate CISC and RISC.

  • Complete Instruction Set Computer, Reduced Instruction Set Computer
  • Complex Instruction Set Computer, Reduced Instruction Set Computer
  • Complex Instruction Set Computer, Reliable Instruction Set Computer
  • Complete Instruction Set Computer, Reliable Instruction Set Computer

  • 20. 
    What is meant by Maskable interrupts?

  • An interrupt which can never be turned off.
  • An interrupt that can be turned off by the programmer.
  • Both the answers
  • none of these

  • 21. 
    What is false about microprocessor?

  • The microprocessor is of small size chip, hence is not portable.
  • microprocessor chips are available at low prices
  • microprocessors are versatile
  • failure rate of an IC in microprocessors is very low

  • 22. 
    5. How are the performance and the computer capability affected by increasing its internal bus width?

  • it increases and turns better
  • it decreases
  • remains the same
  • internal bus width doesn’t affect the performance in any way

  • 23. 
    4. If we say microcontroller is 8-bit then here 8-bit denotes size of:

  • Data Bus
  • ALU
  • Control Bus
  • Address Bus

  • 24. 
    What is the output of the following codeAL=88 BCDCL=49 BCD ADD AL, CL DAA

  • D7, CF=1
  • 37, CF=1
  • 73, CF=1
  • 7D, CF=1
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