Binary and Hexadecimal Revision for homework year 10

Match the rules for adding binary

• 0

• 1+0=

• 0 carry 1

• 0+0=

• 1

• 1+1=

• 1 carry 1

• 1+1+1=

When you get double digits for hexadecimal you use letters instead. Match the correct letter with the correct number below:

• D

• 10

• B

• 12

• A

• 11

• C

• 14

• E

• 13

There are _ bits in a nibble

There are _ bits in a byte

The hexadecimal character for 10 is _

Convert the binary number 1010 to decimal.

• 1100

• 1001

• 1010

• 10

What is the binary representation of the decimal number 25?

• 10101

• 10011

• 11001

• 11100

Convert the binary number 1101 to hexadecimal.

• C

• B

• A

• D

What is the hexadecimal representation of the binary number 101101?

• 2D

• 3A

• 4F

• 6C

Add the binary numbers 1011 and 1101.

• 10000

• 11000

• 1111

• 1010