Computer Architecture MCQs Set-9

1. Which of the following is a main memory
  • Secondary memory.
  • Auxiliary memory.
  • Cache memory.
  • Virtual memory.
2. Which of the following are not a machine instructions
  • MOV.
  • ORG.
  • END.
  • (B) & (C) .
3. In Assembly language programming, minimum number of operands required for an instruction is/are
  • Zero
  • One
  • Two
  • Both (B) & (C) .
4. The maximum addressing capacity of a micro processor which uses 16 bit database &
  • 64 K.
  • 4 GB.
  •  both (A) & (B) .
  • None of these.
5. The memory unit that communicates directly with the CPU is called the
  • main memory
  • Secondary memory
  • shared memory
  • auxiliary memory.
6. The average time required to reach a storage location in memory and obtain its contents is called
  • Latency time.
  • Access time.
  • Turnaround time.
  • Response time.
7. A byte is a group of ___ bits.
  • 16
  • 8
  • 4
  • 2
8. A nibble is a group of __ bits.
  • 16
  • 4
  • 8
  • 2
9. _________ register keeps track of the instructions stored in program stored in memory.
  • AR (Address Register)
  • XR (Index Register)
  • PC (Program Counter)
  • AC (Accumulator)
10. What is meant by a dedicated computer?
  • which is used by one person only
  • which is assigned to one and only one task
  • which does one kind of software
  • which is meant for application software only
  • all of abve