There is no single glossary presecribed by the IBO but they list the following as useful examples.
- British Computer Society (BCS): Glossary of computing and ICT (http://www.bcs.org/category/10041)
- Sharpened.net: The Sharpened glossary (http://www.sharpened.net/glossary/)
- Tangledwire: Glossary of computer terms (http://www.tangledwire.com/Reference/Glossary.htm)
- Computer Glossary: Computer-Glossary.net (http://www.computer-glossary.net/)
- TechTarget: Whatis?com (http://whatis.techtarget.com/)
IB Computer Science 