Comparison Shopping Find out about the different products that people use to conduct business, stay connected, or hook up to the Internet when they are away from their offices. Return to Top 11. Using your computer, create a secret code that you can use to communicate with another person. Each letter of the alphabet is represented by a combination of 0s and 1s. That's called binary code.
Computers understand that code.
Type out a short message on your computer. Highlight your message and then copy it. Paste a second copy of the message on another page. Highlight one copy of the message and change the font to Wingdings or Symbol. Save your original message and the encoded one.