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Microprocessor

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

 Simplex
 Diplex
 Quadruplex
 Duplex

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Microprocessor
A 37 bit mantissa has an accuracy of

8 decimal places
10 decimal places
6 decimal places
11 decimal places

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Microprocessor
Total number of modes the 8253 can work

 8
 6
 12
 4

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Microprocessor
HLT opcode means

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

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 latches
 counters
 shift registers
 flags

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NAND-NAND
OR-NAND
NOR-NAND
NAND-NOR

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