Computer System Architecture

641. dependence over op-code in CU:

  1. Load register
  2. Load Reg/Reg
  3. Only Load
  4. None of these

Correct answer: (B)
Load Reg/Reg

642. Full form of PLA in CU:

  1. Progrmmable Logic Array
  2. Programs Load Array
  3. Programmable Logic Accumulator
  4. all of these

Correct answer: (A)
Progrmmable Logic Array

643. Which are tasks for execution of CU or MCU:

  1. Microinstruction execution
  2. Microinstruction sequencing
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

644. Branching is implemented by depending on output of:

  1. CD
  2. RG
  3. CC
  4. CR

Correct answer: (A)
CD

645. Who determine under what conditions the branching will occur and when:

  1. By combination of CD and BT
  2. By combination of CD and BR
  3. By combination of CD and CR
  4. By combination of TD and BR

Correct answer: (B)
By combination of CD and BR

646. The character U is used to indicate:

  1. Undefined transfers
  2. Unfair transfers
  3. Unconditional transfers
  4. All of these

Correct answer: (C)
Unconditional transfers

647. Which field is used to requests for branching:

  1. DR
  2. CR
  3. TR
  4. BR

Correct answer: (D)
BR

648. which field is used to determine what type of transfer occurs:

  1. CR
  2. SR
  3. BR
  4. MR

Correct answer: (A)
CR

649. Which is a type of microprocessor that is designed with limited number of instructions:

  1. CPU
  2. RISC
  3. ALU
  4. MUX

Correct answer: (B)
RISC

650. Which unit is a pipeline system helps in speeding up processing over a non pipeline system:

  1. CPU
  2. RISC
  3. ALU
  4. MUX

Correct answer: (A)
CPU

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