Computer Organization Short Question and Answer MCQs Set-2

Computer Organization and Architecture is vast subject , this section contain Short Questions and Answers ,Multiple Choice type MCQ on Computer Organization to Help student for quick revision for their examination

 

1. (2FAOC) 16 is equivalent to
  • (195 084)10
  • (001011111010 0000 1100)2
  • Both (A) and (B)
  • None of these
2. The average time required to reach a storage location in memory and obtain its contents is called the
  • seek time
  • turnaround time
  • access time
  • transfer time
3. Which of the following is not a weighted code?
  • Decimal Number system
  • Excess 3-cod
  • Binary number System
  • None of these
4. The idea of cache memory is based
  • on the property of locality of reference
  • on the heuristic 90-10 rule
  • on the fact that references generally tend to cluster
  • all of the above
5. Which of the following is lowest in memory hierarchy?
  • Cache memory
  • Secondary memory
  • Registers
  • RAM
  • None of these
6. The addressing mode used in an instruction of the form ADD X Y, is
  • Absolute
  • indirect
  • index
  • none of these
7. If memory access takes 20 ns with cache and 110 ns with out it, then the ratio (cache uses a 10 ns memory) is
  • 0.93
  • 0.9
  • 0.88
  • 0.87
8. In a memory-mapped I/O system, which of the following will not be there?
  • LDA
  • IN
  • ADD
  • OUT
9. In a vectored interrupt.
  • the branch address is assigned to a fixed location in memory.
  • the interrupting source supplies the branch information to the processor through an interrupt vector.
  • the branch address is obtained from a register in the processor
  • none of the above
10. Von Neumann architecture is
  • SISD
  • SIMD
  • MIMD
  • MISD