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Microprocessor

Microprocessor
The number of status flags present in 8085 microprocessor are

 5
 10
 16
 8

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit data bus
 8-bit controller
 8-bit address bus
 8-interrupt lines

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Microprocessor
What is SIM?

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

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Microprocessor
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

A smaller floating point number
Either A or B depending on the actual number
A larger floating point number
A negative floating point number

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Microprocessor
HLT opcode means

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

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

64 H
6 AFH
234
45 H

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