Digital electronic number code

What is binary also known as?

• Base 1

• Base 2

• Base 3

• Base 10

What are the number choices in binary?

• 0 and 1

• 0, 1 and 2

• 0 to 2

• 0 to 9

What is 23 in binary

• 10101

• 10110

• 10111

• 11000

What is the binary addition rule for 1 + 1 + 1?

• 0

• 1

• 0 carry 1

• 1 carry 1

what is 0 + 1 in binary?

• 0

• 10

• 11

• 1

What is 1 + 1 in binary?

• 10

• 01

• 11

• 2

What is 111 +110?

• 1100

• 1101

• 1110

• 1111

Which of these are hexadecimal digits?

• F

• G

• 6

• 0

• H

Computers store all data using...

• Binary

• Hexadecimal

• Decimal

• Octal

What is the decimal equivalent of the hexadecimal number 4B?

• 75

• 180

• 31

• 255