Binary and Hexadecimal Conversion Quiz

Explain why hexadecimal numbers are used as an alternative to binary. Use an example.

• Hexadecimal numbers use fewer characters to represent the same value compared to binary numbers.

• Hexadecimal numbers have more possible values than binary numbers.

• Hexadecimal numbers are used for text representation while binary numbers are used for numerical representation.

• Hexadecimal numbers are easier to understand than binary numbers.

Convert the following values from binary to denary: 00101010

• 58

• 62

• 53

• 42

Convert the following values from denary to binary: 79

• 1111001

• 1001111

• 1011110

• 1100111

Convert the following values from binary to hexadecimal: 11110101

• F5

• E7

• D9

• C3

Convert the following values from hexadecimal to binary: C2

• 11000010

• 10100011

• 10010011

• 11100010

Convert the following values from denary to hexadecimal: 134

• 86

• 7E

• 8A

• 92

Convert the following values from hexadecimal to denary: 32

• 54

• 52

• 56

• 50

Explain what an overflow error is.

• An error that occurs when converting denary to binary.

• An error that occurs when a binary value is too large to be stored in the bits available.

• An error that occurs when a binary value is too small to be stored in the bits available.

• An error that occurs when converting binary to denary.