Computer Architecture MCQs Set-2

PropellerAds
  1. 1. (2FAOC) 16 is equivalent to
    • (195 084)10
    • (001011111010 0000 1100)2
    • Both (A) and (B)
    • None of these
  2. 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. 3. Which of the following is not a weighted code?
    • Decimal Number system
    • Excess 3-cod
    • Binary number System
    • None of these
  4. 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. 5. Which of the following is lowest in memory hierarchy?
    • Cache memory
    • Secondary memory
    • Registers
    • RAM
    • None of these
  6. 6. The addressing mode used in an instruction of the form ADD X Y, is
    • Absolute
    • indirect
    • index
    • none of these
  7. 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. 8. In a memory-mapped I/O system, which of the following will not be there?
    • LDA
    • IN
    • ADD
    • OUT
  9. 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. 10. Von Neumann architecture is
    • SISD
    • SIMD
    • MIMD
    • MISD