1. The 2's complement of the Binary number (11011100), is ?

(00100011)2

(00100100)2

(11110000)2

(00001111)2

Answer: (00100100)2

Explanation:


2. The octal equivalent of decimal number 66 ?

102

82

84

85

Answer: 102

Explanation:


3. The decimal representation of the binary number (101010.011)2, is ?

42.25

24.375

24.25

42.375

Answer: 42.375

Explanation:


4. The 2's complement of the binary number (00111100)2, is ?

(11000100)2

(00110000)2

(11000011)2

(11110100)2

Answer: (11000100)2

Explanation:


5. Considering 1's complement representation for negative numbers, -85 will be stored into an 8 bit memory space as ?

10101010

10100110

10111111

11101001

Answer: 10101010

Explanation:


6. The binary representation of 195.5 is ?

(11000001.01)2

(11000001.11)2

(11000011.01)2

(11000011.10)2

Answer: (11000011.10)2

Explanation:


7. The 2's complement of the binary number (00000000), is ?

(11111111)2

(10101010)2

(00000000)2

(01010101)2

Answer: (00000000)2

Explanation:


8. The binary equivalent of (11.6275)10 is ?

101.11011

1011.1011

101.0011

1011.0011

Answer: 1011.1011

Explanation:


9. 2's complement of the number of 1010101 is ?

0101010

0101011

1101010

1110011

Answer: 0101011

Explanation:


10. An equivalent 2's complement representation of the 2's complement number 1101 is ?

110100

001101

110111

111101

Answer: 111101

Explanation: