Understanding Binary Addition and Subtraction

Binary number for 12.

• 1011

• 1101

• 1100

• 0101

Which of the following is a rule of binary addition?

• 11

• 12

• 13

• 14

Convert the decimal number 9 to binary.

• 0 with a carry of 1

• 1 with a carry of 1

• 1 with a carry of 0

• 0 with a carry of 0

Which of the following is a real-world application of binary numbers?

• Cooking recipes

• Digital electronics

• Weather forecasting

• Gardening

What is the binary equivalent of the decimal number 15?