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Microprocessor

Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLA
 PROM
 PLD
 PAL

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

2, 1, 3, 4
1, 2, 3, 4
2, 1, 4, 3
1, 2, 4, 3

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Microprocessor
‘Burst refresh’ in DRAM is also called

Distributed refresh
Concentrated refresh
None of these
Hidden refresh

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 Both ‘b’ and ‘c’
 Bus Interface Unit (BIU)
 None of these
 Execution Unit (EU)

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

m
log2 (m)
2*m
2^m

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Microprocessor
HLT opcode means

  store result in memory.
  end of program.
  load accumulator with contents of register.
  load data to accumulator.

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