computer-architecture-mcqs - Set (3)

Correct Answer: Orange && Worng Answer: Red

1. Dynamic RAM consumes ______ power and ______ than the static RAM.

  • (A). More, Faster
  • (B). More, Slower
  • (C). Less, Slower
  • (D). Less, Faster
    • View Answer

    Explanation: Not Avilable

    2. Which flag of the 8085’s flag register is not accessible to programmer directly?

  • (A). Zero flag
  • (B). Carry flag
  • (C). Auxiliary carry flag
  • (D). Parity flag
    • View Answer

    Explanation: Not Avilable

    3. Cache memory works on the principle of

  • (A). Locality of reference
  • (B). Locality of data
  • (C). Locality of memory
  • (D). Locality of reference & memory
    • View Answer

    Explanation: Not Avilable

    4. Which of the memory holds the information when the power supply is swithched off?

  • (A). Dynamic RAM
  • (B). Static RAM
  • (C). EEROM
  • (D). None of the above
    • View Answer

    Explanation: Not Avilable

    5. Which of the following interrupt is markable?

  • (A). INTR
  • (B). RST 7.5
  • (C). TRAP
  • (D). Both (a) and (b)
    • View Answer

    Explanation: Not Avilable

    6. Cycle stealing techique is used in

  • (A). Interrupt based data transfer
  • (B). DMA based data transfer
  • (C). Polled mode data transfer
  • (D). All of the above
    • View Answer

    Explanation: Not Avilable

    7. Which of the following is not a characteristic of a RISC architecture.

  • (A). Large Instruction Set
  • (B). One Instruction Per Cycle
  • (C). Simple Addressing Modes
  • (D). Register to Register Operation
    • View Answer

    Explanation: Not Avilable

    8. Associative memory is some times called as

  • (A). Content Addressable Memory
  • (B). Cache Memory
  • (C). Main Memory
  • (D). Virtual Memory
    • View Answer

    Explanation: Not Avilable

    9. Floating point representation is used to store

  • (A). Integers
  • (B). Whole numbers
  • (C). Real Integers
  • (D). Boolean values
    • View Answer

    Explanation: Not Avilable

    10. What characteristics of RAM memory makes it not suitable for permanent storage ?

  • (A). Too bulky
  • (B). Unreliable
  • (C). Too slow
  • (D). It is volatile
    • View Answer

    Explanation: Not Avilable

    11. An instruction code is

  • (A). An output of a program
  • (B). A group of bits that instruct the computer to perform specific operation
  • (C). The digital circuit that insturct the computer to perform specific operation
  • (D). None of the above
    • View Answer

    Explanation: Not Avilable

    12. The program counter(PC) holds the address of

  • (A). The instruction is being executed
  • (B). The next instruction to be read from memory
  • (C). The opearands
  • (D). None of these
    • View Answer

    Explanation: Not Avilable

    13. The function of the control unit in digital computer is

  • (A). To initiate sequence of micro operations
  • (B). To initiate the execution of a program
  • (C). To stop the execution of a program
  • (D). To shutdown the computer
    • View Answer

    Explanation: Not Avilable

    14. A memory that is the part of a Control unit is known as-

  • (A). Internal Memory
  • (B). External Memory
  • (C). Command Memory
  • (D). Control Memory
    • View Answer

    Explanation: Not Avilable

    15. A group of eight bits is known as

  • (A). Nibble
  • (B). A byte
  • (C). An Octet
  • (D). Both (b) and (c)
    • View Answer

    Explanation: Not Avilable

    16. The tendency of a processor to access the same set of memory locations repetively over a short period of time is known as

  • (A). Local effect
  • (B). Locality of reference
  • (C). Frame of reference
  • (D). All of the above
    • View Answer

    Explanation: Not Avilable

    17. The CPU state is saved in the event of a transer control-

  • (A). From on instruction to a non-sequential instruction of a program
  • (B). From our program to another
  • (C). During execution of an instruction due to an interrupt cycle
  • (D). None of the above statement is ture
    • View Answer

    Explanation: Not Avilable

    18. A compter uses RAM chips of 1024 x 1 capacity. How many chips are needed to provide a memory capacity of 16k bytes.

  • (A). 16
  • (B). 128
  • (C). 32
  • (D). None of these
    • View Answer

    Explanation: Not Avilable

    19. Booth’s algorithm is used for :

  • (A). Division
  • (B). Multiplication
  • (C). Subtraction
  • (D). Division and Multiplication
    • View Answer

    Explanation: Not Avilable

    20. The instruction that does not need any address field is :

  • (A). Three address instructions
  • (B). Two address instructions
  • (C). One address instructions
  • (D). Zero address instruction
    • View Answer

    Explanation: Not Avilable

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