Nifemi Binary Numbers

What kind of 'base' system is binary known as?

• Base 12

• Base 8

• Base 2

• Base 10

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010

How do you write the number 10 in binary?

• 1010

• 11

• 1001

• 1000

Which represents the number 20 in binary?

• 10100

• 1010

• 101

• 101000

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 254 to binary

• 11110000
• 11111100
• 11111111
• 11111110

Convert 00010001 to decimal

• 17
• 27
• 37
• 47

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

What is 111 +110?

• 1100

• 1101

• 1110

• 1111

Computers can only understand 0s and 1s.

• True
• False