Number Systems

Convert the decimal number 45 to binary.

• 101110

• 110101

• 101101

• 100101

Convert the binary number 101101 to decimal.

• 30

• 60

• 25

• 45

Convert the hexadecimal number 1A3 to decimal.

• 1024

• 512

• 419

• 256

Convert the octal number 57 to binary.

• 101111

• 100111

• 110111

• 101110

Convert the decimal number 255 to hexadecimal.

• FF

• F00

• FF0

• F0

Convert the binary number 1111 to octal.

• 20

• 12

• 17

• 15

Convert the hexadecimal number 2F to binary.

• 00110000

• 00101111

• 00101101

• 00101110

Convert the octal number 12 to decimal.

• 10

• 14

• 12

• 8

Add the binary numbers 1010 and 1101.

• 10111

• 1010

• 10001

• 1110

Subtract the binary number 1010 from 1100.

• 1001

• 1100

• 10

• 1010