## Discussion Forum

Que. | Which of the following statement(s) is(are) not correct ? i. The 2's complement of 0 is 0. ii. In 2's complement, the left most bit cannot be used to express a quantity. iii. For an n-bit word (2's complement) which includes the sign bit, there are 2^n-1 positive integers, 2^n+1 negative integers and one 0 for a total of 2^n unique states. iv. In 2's complement the significant information is contained in the 1's of positive numbers and 0's of the negative numbers. |

a. | i and iv |

b. | i and ii |

c. | iii |

d. | iv |

Answer:iii |