computer-architecture-mcqs - Set (2)

Correct Answer: Orange && Worng Answer: Red

1. A group of bits that tell the computer to perform a specific operation is known as

  • (A). Instruction Code
  • (B). Micro operation
  • (C). Accumulator
  • (D). Register
    • View Answer

    Explanation: Not Avilable

    2. An address in main memory is called

  • (A). Physical address
  • (B). Logical address
  • (C). Memory address
  • (D). Word address
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    Explanation: Not Avilable

    3. A register capable of shifting its binary information either to the right or left is called a

  • (A). Parallel Register
  • (B). Serial Register
  • (C). Shift Register
  • (D). Storage Register
    • View Answer

    Explanation: Not Avilable

    4. Which of the following are not a machine instructions?

  • (A). MOV
  • (B). ORG
  • (C). END
  • (D). Both(B) and(C)
    • View Answer

    Explanation: Not Avilable

    5. Memory unit accessed by content is called

  • (A). ROM
  • (B). Programmable
  • (C). Virtual Memory
  • (D). Associative Memory
    • View Answer

    Explanation: Not Avilable

    6. In a system, which has 32 register the register id is _____ long.

  • (A). 16 bits
  • (B). 8 bits
  • (C). 5 bits
  • (D). 6 bits
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    Explanation: Not Avilable

    7. The two phases of executing an instruction are

  • (A). Decoding and storage
  • (B). Fetching and executing
  • (C). Decode and fetch
  • (D). None of these
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    Explanation: Not Avilable

    8. The addressing mode which make use of indirection pointer is _____

  • (A). Indirect addressing mode
  • (B). Index addressing mode
  • (C). Relative addressing mode
  • (D). Offset addressing mode
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    Explanation: Not Avilable

    9. The addressing modem, which uses the PC instead of a general purpose register is _____

  • (A). Indexed with offset
  • (B). Relative
  • (C). Direct
  • (D). Both (B) and (C)
    • View Answer

    Explanation: Not Avilable

    10. The addressing mode, where you directly specify the operand value is _____

  • (A). Immediate
  • (B). Register-direct
  • (C). Definite
  • (D). Relative
    • View Answer

    Explanation: Not Avilable

    11. _____ Converts the programs written in assembly language into machine instructions.

  • (A). Compiler
  • (B). Interpreter
  • (C). Assembler
  • (D). Converter
    • View Answer

    Explanation: Not Avilable

    12. The instructions like MOV and ADD are called as _____

  • (A). Opcode
  • (B). Operators
  • (C). Commands
  • (D). None of these
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    Explanation: Not Avilable

    13. The interrupt-request line is a part of the

  • (A). Data line
  • (B). Control line
  • (C). Address line
  • (D). None of these
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    Explanation: Not Avilable

    14. The DMA transfer are performed by a control circuit called as

  • (A). Device interface
  • (B). DMA controller
  • (C). Data controller
  • (D). Over lookers
    • View Answer

    Explanation: Not Avilable

    15. The DMA controller has _____ registers.

  • (A). 4
  • (B). 2
  • (C). 3
  • (D). 1
    • View Answer

    Explanation: Not Avilable

    16. The controller is connected to the _____

  • (A). Processor Bus
  • (B). System Bus
  • (C). External Bus
  • (D). None of these
    • View Answer

    Explanation: Not Avilable

    17. The registers of the controller are _____

  • (A). 64 bits
  • (B). 24 bits
  • (C). 32 bits
  • (D). 16 bits
    • View Answer

    Explanation: Not Avilable

    18. A collection of lines that connects several devices is called _____

  • (A). BUS
  • (B). Peripheral wires
  • (C). Both (A) and (B)
  • (D). Interal wires
    • View Answer

    Explanation: Not Avilable

    19. Memory address refers to the successive memory words and the machine is called as

  • (A). Word addressable
  • (B). Byte addressable
  • (C). Bit addressable
  • (D). None of these
    • View Answer

    Explanation: Not Avilable

    20. An exception conditions in a computer system by event external to the CPU is called

  • (A). Interrupt
  • (B). Halt
  • (C). Wait
  • (D). Process
    • View Answer

    Explanation: Not Avilable

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