Computer Science Quiz

Conversion of an octal number 123 to binary number is?

• 1010011

• 1110001

• 1001001

• 1101011

The decimal equivalent of the binary number 1011001 is?

• 89

• 90

• 91

• 85

The decimal equivalent of the binary number 100100 is?

• 36

• 37

• 35

• 34

What is the number of bit patterns provided by a 7-bit code?

• 128

• 127

• 64

• 256

Conversion of an octal number 44 to binary number is?

• 100100

• 100101

• 100111

• 110000

Conversion of an octal number 47 to binary number is?

• 100111

• 101111

• 101110

• 111000

What is the number of bit patterns provided by an 8-bit code?

• 256

• 255

• 128

• 512

The decimal equivalent of the binary number 110101 is?

• 53

• 52

• 54

• 50

Conversion of a hexadecimal number 2FB to binary number is?

• 1011111011

• 1011010101

• 1001011111

• 1011001111

Conversion of a hexadecimal number BC to binary number is?

• 10111100

• 10011100

• 11011100

• 10110100