Computer Architecture MCQs Set-8

1
. The instructions which copy information from one location to another either in the processor’s internal register set or in the external main memory are called
  • Data transfer instructions.
  • Program control instructions.
  • Input-output instructions.
  • Logical instructions.
2
. A device/circuit that goes through a predefined sequence of states upon the application of input pulses is called
  • register
  • flip-flop
  • transistor
  • counter
3
. The performance of cache memory is frequently measured in terms of a quantity called
  • Miss ratio.
  • Hit ratio.
  • Latency ratio.
  • Read ratio.
4
. The information available in a state table may be represented graphically in a
  • simple diagram.
  • state diagram.
  • complex diagram.
  • data flow diagram.
5
. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called.
  • relative address mode.
  • index addressing mode.
  • register mode.
  • implied mode.
6
. An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as
  • DDA
  • Serial interface.
  • BR
  • DMA
7
. The 2s compliment form (Use 6 bit word) of the number 1010 is
  • 111100
  • 110110
  • 110111
  • 1011
8
. A register capable of shifting its binary information either to the right or the left is called a
  • parallel register.
  • serial register.
  • shift register.
  • storage register.
9
. What is the content of Stack Pointer (SP)?
  • Address of the current instruction
  • Address of the next instruction
  • Address of the top element of the stack
  • Size of the stack.
10
. Which of the following interrupt is non maskable
  • INTR
  • RST 7.5.
  • RST 6.5.
  • TRAP.