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Q1. | The circuit shown in the figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z |

A. | 4 bit adder giving P + Q [Wrong Answer] |

B. | 4 bit subtractor giving P - Q [Correct Answer] |

C. | 4 bit subtractor giving Q - P [Wrong Answer] |

D. | 4 bit adder giving P + Q + R [Wrong Answer] |

View Answer
Explanation:-
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