1.
The octal number (651.124)8 is equivalent to ______

2.
Convert the hexadecimal number (1E2)16 to decimal.

3.
(170)10 is equivalent to ____________

4.
Convert the binary number (01011.1011)2 into decimal.

5.
Octal to binary conversion: (24)8 =?

6.
Convert binary to octal: (110110001010)2 =?

7.
The given hexadecimal number (1E.53)16 is equivalent to ____________

8.
Convert (214)8 into decimal.

9.
What is the addition of the binary numbers 11011011010 and 010100101?

10.
Perform binary addition: 101101 + 011011 = ?

11.
Perform binary subtraction: 101111 – 010101 = ?

13.
Perform multiplication of the binary numbers: 01001 × 01011 = ?

14.
The output of a logic gate is 1 when all the input are at logic 0 as shown below:

INPUT | OUTPUT |

A | B | C |

0 | 0 | 1 |

0 | 1 | 0 |

1 | 0 | 0 |

1 | 1 | 0 |

INPUT | OUTPUT |

A | B | C |

0 | 0 | 1 |

0 | 1 | 0 |

1 | 0 | 0 |

1 | 1 | 1 |

The gate is either _________

15.
The code where all successive numbers differ from their preceding number by single bit is __________

16.
The following switching functions are to be implemented using a decoder: f1 = ∑m(1, 2, 4, 8, 10, 14) f2 = ∑m(2, 5, 9, 11) f3 = ∑m(2, 4, 5, 6, 7) The minimum configuration of decoder will be __________

17.
How many AND gates are required to realize Y = CD + EF + G?

18.
The NOR gate output will be high if the two inputs are __________

19.
How many two-input AND and OR gates are required to realize Y = CD+EF+G?

20.
A universal logic gate is one which can be used to generate any logic function. Which of the following is a universal logic gate?

21.
A full adder logic circuit will have __________

22.
How many two input AND gates and two input OR gates are required to realize Y = BD + CE + AB?

23.
The gates required to build a half adder are __________