Computer Microprocessor and Assembly Language

131. HRQ and HLDA means:

  1. Hold request
  2. Hold acknowledgment
  3. Both a and b
  4. None of these

Correct answer: (C)
Both a and b

132. HRQ stands for:

  1. Hold request
  2. Hold read
  3. Hold register
  4. Hold resolver

Correct answer: (A)
Hold request

133. ICW stands for:

  1. Interrupt command words
  2. Interrupt command write
  3. Initialization command words
  4. Initialization command write

Correct answer: (C)
Initialization command words

134. IMR stands for:

  1. Input mask register
  2. Input mask resolver
  3. Interrupt mask resolver
  4. Interrupt mask register

Correct answer: (D)
Interrupt mask register

135. In 1977 which corporation introduced an updated version of the 8080- the 8085:

  1. Motorola
  2. Intel
  3. Rockwell
  4. National

Correct answer: (B)
Intel

136. In case of direct- mapped cache lower order line address bits are used the access the ____________:

  1. RAM
  2. ROM
  3. Directory
  4. HDD

Correct answer: (C)
Directory

137. In Microprocessor one of the operands holds a special register called:

  1. Calculator
  2. Dedicated
  3. Accumulator
  4. None of these

Correct answer: (C)
Accumulator

138. In which form CPU provide output:

  1. Computer signals
  2. Digital signals
  3. Metal signals
  4. None of these

Correct answer: (B)
Digital signals

139. In which register instruction is decoded prepared and ultimately executed:

  1. Instruction register
  2. Current register
  3. Both a and b
  4. None of these

Correct answer: (A)
Instruction register

140. In which the processor uses a protection of the memory address to represent I/O ports:

  1. Memory mapped I/O
  2. I/O memory mapped
  3. Both a and b
  4. None of these

Correct answer: (A)
Memory mapped I/O

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