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Microprocessor

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 01
 00
 11
 10

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Microprocessor
HLT opcode means

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

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Duplex
 Simplex
 Diplex
 Quadruplex

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 random access characteristic
 non-volatile characteristic
 all the above characteristic
 erasable and programmable characteristic

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Microprocessor
What is SIM?

  Set interrupt mask.
 Sorting interrupt mask.
 Select interrupt mask.
 None of these.

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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