What came first? audio cassette, 8 track, magnetic tape, mp3

All of the following are characteristics that must be contained in any knowledge representation scheme except

Which is a characteristic of free and open-source software licenses? a. the source code is unavailable to everyone b. the source code is available only to the government c. the source code is available to all users d. the source code is constantly modified

Adrian has decided to subscribe for a new internet connection. he wants a high speed connection so that he can stream video content smoothly. which access technology would you advise adrian against using?