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Microprocessor

Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

234
6 AFH
45 H
64 H

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Microprocessor
HLT opcode means

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

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Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

Either A or B
Processor is capable of waiting
External buffer is used
Neither A nor B

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 0043H
 003CH
 0000H

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Microprocessor
While STC instruction executes,

 only carry and zero flags will be affected.
 no flags will be affected.
 all flags will be affected.
 only carry flag will be affected.

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Microprocessor
While INX B instruction execute,

 all flags will be affected
 only carry flag will be affected
 only carry and zero flags will be affected
 no flags will be affected

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