Binary Arithmetic

What is 1 + 1?

• 0, carry 1

• 0, carry 0

• 1, carry 1

• 1, carry 0

what is 0110 + 1001?

• 1111

• 0111

• 1110

• 1011

What is 1 + 1 + 1?

• 0, carry 1

• 0, carry 0

• 1, carry 1

• 1, carry 0

What is the effect of applying a binary left shift 1 on a binary number?

• Double the number

• Halve the number

• Decreases the number by 2

• Increases the number by 2

What is the effect of applying a binary right shift 2 on a binary number?

• Multiply by 4

• Divide by 4

• Decreases the number by 4

• Increases the number by 4

Binary shifts can be used to...

• Multiply numbers by powers of 2

• Divide numbers by powers of 2

• Add numbers to power of 2

• Divide numbers by powers of 2

What is 0011 + 1010?

• 1101

• 0011

• 1111

• 0000

Which of these operations would multiply a number by 8?

• Binary left shift 4

• Binary right shift 4

• Binary left shift 3

• Binary right shift 3

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

If a binary number ends with a 1, it must be...

• An odd number
• An even number
• A prime number
• The number 12