Computer Microprocessor and Assembly Language

151. ISR stands for:

  1. Interrupt service register
  2. Input service register
  3. In-service register
  4. All of these

Correct answer: (C)
In-service register

152. L1 cache memory is places at ____________

  1. On Processor
  2. On Mother Board
  3. On Memory
  4. All of these

Correct answer: (A)
On Processor

153. L2 cache memory is places at ____________

  1. On Processor
  2. On Mother Board
  3. On Memory
  4. All of these

Correct answer: (B)
On Mother Board

154. LA stands for:

  1. Load accumulator
  2. Least accumulator
  3. Last accumulator
  4. None of these

Correct answer: (A)
Load accumulator

155. LFB stand for:

  1. Line full buffers
  2. Line fill buffers
  3. Line fan buffers
  4. None of these

Correct answer: (B)
Line fill buffers

156. LM stands for:

  1. Least MAR
  2. Load MAR
  3. Least MRA
  4. Load MRA

Correct answer: (B)
Load MAR

157. LRB stand for:

  1. Line read buffers
  2. Line ready buffers
  3. Line root buffers
  4. Line right buffers

Correct answer: (A)
Line read buffers

158. MC6800 microprocessor was introduced by:

  1. Motorola corporation
  2. Fairchild
  3. Both A and B
  4. None of these

Correct answer: (A)
Motorola corporation

159. MEMER and MEMW means:

  1. Memory read
  2. Memory write
  3. Both a and b
  4. None of these

Correct answer: (C)
Both a and b

160. Microprocessor is fabricated on single chip using:

  1. MOS
  2. ALU
  3. CPU
  4. All of these

Correct answer: (A)
MOS

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