 data according to instructions contained in the programs installed on it. [Computer and Information Sciences] 
character set 
n., A declaration by the creator or preserver that one or more reproduced or reproducible digital records is authentic. [Archives] 
n., A document included with a software program that proves the program was purchased legally and often has a unique identification number used to verify the program when being installed on the computer. [Computer and Information Sciences] 
chain of pre