Match these number systems to their base.

• 2

• Denary

• 16

• Binary

• 10

• Hexadecimal

Which of these are true about hexadecimal numbers? (PICK 3)

• They allow large binary numbers to be represented in an easier to read form.

• They take up less storage space than binary numbers

• They are quicker to process than binary numbers

• Each hexadecimal digit represents 4 bits.

• Less likely to make mistakes when entering compared to binary

Convert the binary number of 1010 0111 into its hexadecimal equivalent.

Remember, convert 4 bits at a time.

Convert the binary number of 1111 0000 into its hexadecimal equivalent.

Remember, convert 4 bits at a time.

Convert the hexadecimal value of AC into its 8-bit binary equivalent.

Remember, each hex digit will be 4 bits (e.g., 5 --> 0101)

What is hex B in decimal?

• 10

• 11

• 12

• 13

What is hex E in decimal?

• 10

• 12

• 14

• 16

Decimal 15 is what in hexadecimal?

• A

• B

• E

• F

What is binary 0111 in hex?

• E

• A

• 7

• 3

What is A in binary?

• 1111

• 0101

• 1010

• 0110