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ISRO2015-61

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The contents of the flag register after execution of the following program by $8085$ microprocessor will be

$\textbf{Program}$
$\textsf{SUB A}$
$\textsf{MVI B,(01)}_\textsf{H}$
$\textsf{DCR B}$
$\textsf{HLT}$

  1.  $(54)_\textsf{H}$
  2. $(00)_\textsf{H}$
  3. $(01)_\textsf{H}$
  4. $(45)_\textsf{H}$
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