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## Computer organization mcqs fast adders

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Question 1 |

The logic operations are simpler to implement using logic circuits.

True | |

False |

**ICT Questions answers**

Question 1 Explanation:

The logic operation includes AND, OR, XOR etc.

Question 2 |

The logic operations are implemented using ..... circuits.

Bridge | |

Logical | |

Combinatorial | |

Gate |

**Home science Questions answers**

Question 2 Explanation:

The combinatorial circuits means, using the basic universal gates.

Question 3 |

The carry generation function: ci + 1 = yici + xici + xiyi, is implemented in .....

Half adders | |

Full adders | |

Ripple adders | |

Fast adders |

**English grammar Questions answers**

Question 3 Explanation:

In this the carry for the next step is generated in the previous steps operation.

Question 4 |

Which option is true regarding the carry in the ripple adders?

Are generated at the beginning only | |

Must travel through the configuration | |

Is generated at the end of each operation | |

None of the mentioned |

**ICT Questions answers**

Question 4 Explanation:

The carry must pass through the configuration of the circuit till it reaches the particular step.

Question 5 |

In full adders the sum circuit is implemented using .....

And & or gates | |

NAND gate | |

XOR | |

XNOR |

**NTA NET Questions answers**

Question 5 Explanation:

sum = a ^ b ^ c ('^' indicates XOR operation).

There are 5 questions to complete.