1.1.8&9

Why are hexadecimal numbers used as an alternative to binary?

• Hexadecimal numbers are easier to read and write than binary.

• Hexadecimal numbers are more secure than binary.

• Hexadecimal numbers are more accurate than binary.

• Hexadecimal numbers are faster to process than binary.

Convert the binary number 00101010 to denary.

• 26

• 58

• 34

• 42

Convert the denary number 79 to binary.

• 01111001

• 1001111

• 1010111

• 01001111

Convert the binary number 11110101 to hexadecimal.

• C5

• D5

• E5

• F5

Convert the hexadecimal number A5 to denary.

• 165

• 195

• 175

• 185