This worksheet is designed to allow students to broaden their knowledge of the ASCII and Unicode character coding schemes. The worksheet contains several questions about the history of ASCII as well as some about how many bits it uses to represent data. The worksheet then moves onto looking at Unicode and getting the students to use the Unicode website to find and retrieve details about specific Unicode characters. The worksheet conclused with a 4 mark questions that asks them to discuss the advantages and disadvantages of ASCII & Unicode. This download also contains the accompanying answer sheet (for everything except the 4 mark question).