Computer System Architecture

81. ____________ is a special purpose dedicated processor that is designed specially designed for data transfer in network:

  1. Data Processor
  2. Data Communication Processor
  3. DMA Processor
  4. Interrupt Processor

Correct answer: (B)
Data Communication Processor

82. ____________ processor has to check continuously till device becomes ready for transferring the data:

  1. Interrupt-initiated I/O
  2. DMA
  3. IOP
  4. DCP

Correct answer: (A)
Interrupt-initiated I/O

83. Interrupt-driven I/O data transfer technique is based on 95;_________ concept:

  1. On demand processing
  2. Off demand processing
  3. Both a & b
  4. None of these

Correct answer: (A)
On demand processing

84. Which technique helps processor to run a program concurrently with I/O operations:

  1. Interrupt driven I/O
  2. DMA
  3. IOP
  4. DCP

Correct answer: (A)
Interrupt driven I/O

85. 3 types of exceptions are:

  1. Interrupts
  2. Traps
  3. System calls
  4. All of these

Correct answer: (D)
All of these

86. Which exception is also called software interrupt:

  1. Interrupt
  2. System calls
  3. Traps
  4. All of these

Correct answer: (B)
System calls

87. User programs interact with I/O devices through:

  1. Operating system
  2. Hardware
  3. Cpu
  4. Microprocessor

Correct answer: (A)
Operating system

88. Which table handle store address of interrupt handling subroutine:

  1. Interrupt vector table
  2. Vector table
  3. Symbol link table
  4. None of these

Correct answer: (A)
Interrupt vector table

89. Which technique is used that identifies the highest priority resource by means of software:

  1. Daisy chaining
  2. Polling
  3. Priority
  4. Chaining

Correct answer: (B)
Polling

90. ____________ interrupt establishes a priority over the various sources to determine which request should be entertained first:

  1. Priority interrupt
  2. Polling
  3. Daisy chaining
  4. None of these

Correct answer: (A)
Priority interrupt

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