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Microprocessor

Microprocessor
Identify the non-programmable interfacing device from the following

 8255.
 8212.
 8257.
 8295.

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always reset
 affected indicating specific conditions
 always set
 not affected

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Microprocessor
HLT opcode means

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

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Microprocessor
The control flags in 8086 are:

All of these
 the interrupt flag(IF).
 the Trap flag(TF).
 the direction flag(DF).

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Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

True
False

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

None of these
 higher order address lines
 lower order address lines
 status lines

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