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Microprocessor

Microprocessor
In Fortran 77 a variable name can contain special characters.

True
False

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 D-E.
 H-L.
 Stack Pointer.

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 Memory bus
 Address bus
 DMA bus

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Microprocessor
HLT opcode means

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

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

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

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Microprocessor
The data bus of any microprocessor is always

 Either unidirectional or bi-directional
 Bi-directional
 None
 Unidirectional

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