Q.1
When necessary, the results are transferred from the CPU to main memory by
  • i/o devices.
  • cpu.
  • shift registers.
  • none of thes
Q.2
A successive A/D converter is
  • a high-speed converter.
  • a low speed converter.
  • a medium speed converter.
  • none of thes
Q.3
The memory unit that communicates directly with the CPU is called the
  • main memory
  • secondary memory
  • shared memory
  • auxiliary memory.
Q.4
The maximum addressing capacity of a micro processor which usesbit database &bit address base is
  • 64 k.
  • 4 g
  • both (a) & (b) .
  • none of thes
Q.5
In Assembly language programming, minimum number of operands required for an instruction is/are
  • zero.
  • on
  • two.
  • both (b) & (c) .
Q.6
Which of the following are not a machine instructions
  • mov.
  • org.
  • en
  • (b) & (c) .
Q.7
Which of the following is a main memory
  • secondary memory.
  • auxiliary memory.
  • cache memory.
  • virtual memory.
Q.8
Which of the following interrupt is non maskable
  • intr.
  • rst 7.5.
  • rst 6.5.
  • trap.
0 h : 0 m : 1 s