GCSE J277 - 1.2.4 - Binary Addition and Shifts

A binary left shift

• Multiples a number
• Divides a number

A binary right shift

• Multiples a number
• Divides a number

A binary shift left once multiples a number by

• 1
• 2
• 4
• 8

A binary shift right twice divides a number by

• 1
• 2
• 4
• 8

To divide a number, you need to use

• Right Shift
• Left Shift

To multiple a number, you need to use

• Right Shift
• Left Shift

Shift 01101000 3 places to the right

• 110100
• 1101
• 11010
• 110

When would you be using binary shifts?

• Multiplication and Division
• Addition and Subtraction

How many places must you shift a number to get multiplication or division of 2?

• 1
• 2
• 3
• 4

How many places must you shift a number to get multiplication or division of 4?

• 1
• 2
• 3
• 4