Binary to Decimal
Decimal to Binary
Word Problems
100

11

3

100

6

110

100

How many bits are needed to represent decimal numbers up to 100?

6 bits

200

101

11

200

28

11100

200

How many bits are needed to represent all of the letters in the English alphabet?

5 bits

300

110100

52

300

63

111111

300

What binary number comes after 1111111?

10000000

400

10110010

178

400

140

10001100

400

How many bits are needed to present all numbers up to 10,000? 

14

500

1000000001

513

500

516

1000000100

500

If the computer has allocated 8 bits to store a number, what will the computer use to represent the number 256?

00000000

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