Binary Addition, Shifts and Hexadecimal

Convert 20 to an binary byte of data:

• 00010001

• 00010010

• 00011000

• 00010100

What is the answer to 010 + 010?

• 110
• 010
• 100
• 011

What is binary also known as?

• Base 1

• Base 2

• Base 3

• Base 10

Left Binary Shifts

• Multiply

• Divide

Right Binary Shifts

• Multiply

• Divide

Moving one place right will

• Multiply numbers by 4

• Divide numbers by 4

• Multiply numbers by 2

• Divide numbers by 2

Moving one place left will

• Multiply numbers by 4

• Divide numbers by 4

• Multiply numbers by 2

• Divide numbers by 2

A two place left shift on 00001001

• 10101110

• 00000010

• 00100100

• 00010010

A two place right shift on 01001110

• 00010011

• 00000010

• 00100100

• 00010010

Doing a 2 bit left logical shift has what effect?

• Divides the number by 2

• Divides the number by 4

• Multiples the number by 2

• Multiplies the number by 4