Quality of Service; an effort to provide different prioritization levels for different types of traffic over a network to deliver the right information to the right user in the right amount of time. top of page
Quantum cryptography
A new technique for distributing cryptographic keys with extremely high levels of security, accomplished by a very clever twist on the fundamental laws of quantum physics. top of page
Query
A user's (or agent's) request for information, generally as a formal request to a database or search engine. top of page
QuickTime
A method of storing movie and audio files in a digital format. top of page
