## Number Representation

Question 1 |

1 only | |

2 only | |

3 only | |

1 and 3 only |

Question 1 Explanation:

In 2's complement arithmetic, overflow happens only when

1) Sign bit of two input numbers is 0, and the result has sign bit 1.

2) Sign bit of two input numbers is 1, and the result has sign bit 0.

So, only (2) causes overflow.

1) Sign bit of two input numbers is 0, and the result has sign bit 1.

2) Sign bit of two input numbers is 1, and the result has sign bit 0.

So, only (2) causes overflow.

There is 1 question to complete.