Year 9 HT4 Binary Addition

What is 1010 + 0101 in binary?

• 1111
• 10101
• 1100
• 1001

What is 1101 + 0011 in binary?

• 10000
• 1110
• 1010
• 1011

What is 0110 + 0110 in binary?

• 1100
• 1111
• 1001
• 1010

What is 1011 + 1001 in binary?

• 10100
• 1100
• 1110
• 1000

What is 1111 + 0001 in binary?

• 10000
• 1110
• 1
• 1111

What is 0001 1100 + 0000 1010 in binary?

• 0010 0110
• 0001 0110
• 0011 0100
• 0010 0010

What is 0101 1010 + 0010 0110 in binary?

• 0111 1000
• 1000 1000
• 1110 0100
• 1011 0000

What is 1111 1111 + 0000 0001 in binary?

• 1 0000 0000 (with overflow)
• 1111 1110
• 0000 0001
• 1000 0000

What is overflow in binary addition?

• When the sum is too large for the number of bits
• When two numbers cancel each other out
• When there are too many zeros
• When a number turns negative

What happens if you add 128 + 128 in an 8-bit system?

• Overflow occurs
• The sum is stored correctly
• The answer is 128
• The system restarts