Binary Numbers

Binary to Decimal

100

11

3

200

101

11

300

110100

52

400

10110010

178

500

1000000001

513

Decimal to Binary

100

6

110

200

28

11100

300

63

111111

400

140

10001100

500

516

1000000100

Word Problems

100

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

6 bits

200

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

5 bits

300

What binary number comes after 1111111?

10000000

400

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

14

500

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

00000000