This section contains more frequently asked Computer Organization and Architecture Basics Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.

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1. Pipeline implement

  • fetch instruction
  • decode instruction
  • fetch operand
  • calculate operand

2. Which of the following code is used in present day computing was developed by IBM corporation?

  • ASCII
  • Hollerith Code
  • Baudot code
  • EBCDIC code

3. When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the

  • stack pointer
  • accumulator
  • program counter
  • stack

4. A microprogram written as string of 0’s and 1’s is a

  • symbolic microinstruction
  •  binary microinstruction
  • symbolic microprogram
  • binary microprogram

5. Interrupts which are initiated by an instruction are

  • internal
  • external
  • hardware
  • software

6. Memory access in RISC architecture is limited to instructions

  • CALL and RET
  • PUSH and POP
  • STA and LDA
  • MOV and JMP

7. A collection of lines that connects several devices is called …………..

  • bus
  • peripheral connection wires
  • Both a and b
  • internal wires

8. A complete microcomputer system consist of ………..

  • microprocessor
  • memory
  • peripheral equipment
  • all of the above

9. PC Program Counter is also called ……………….

  • instruction pointer
  • memory pointer
  • data counter
  • file pointer

10. In a single byte how many bits will be there?

  • 8
  • 16
  • 4
  • 32
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