M150 Data, Computing and Information

Number System Exercises

Left click on the A icon to get the answers (switch off pop-up blocker if you have one enabled).

1. Convert the following IP addresses into 32-bit binary form.

(i) 127.0.0.1
(ii) 199.34.57.255

2. Convert the following decimal RGB values into hex form.

(i)
R 255
G 000
B 051
(ii)
R 102
G 204
B 153

3. Add the following binary numbers
(i) 00010110 + 00111111
(ii) 01111101 + 01100011

4. Convert the answers to 3(i) and (ii) into decimal numbers.

5. By using the 8-bit ASCII table, the following binary code can be used to represent the four characters M150

01001101 00110001 00110101 00110000

Give the decimal representation of each character.

Next page » Introduction to document markup

Previous page « Binary Addition