Binary Numbers- Check Your Understanding

What decimal number is represented by 01011?

• 11

• 2

• 12

• 10

How would you write the number 20 in binary?

• 10100

• 00112

• 11100

• 22311

What is the largest number you can represent using 5 cards? (i.e. five bits)

• 31

• 23

• 13

• 40

What is the largest number you can represent if you only had three cards?

• 7

• 6

• 5

• 3

How many cards (bits) would you need to represent the umber 63

• 6

• 5

• 4

• 9

What is the Binary to alphabet code?

• Computer

• Scientist

• School

• Class

What is the next number in the sequence of

00001, 00010, 00011, 00100

• 00101

• 10100

• 00010

• 11111