● （72） software, also called end－user program, includes database programs, word processors

File infectors are also called______viruses．A．filterB．parasailC．parasiticD．attack

, also called end－user program, includes database programs, spreadsheets, word rocess

● （73） software, also called end－user program, includes database programs, word processors

● （73） software, also called end－user program, includes database programs, word processors

The process whereby software is instolled into an operational environment is called ¨（74)

The process whereby software is instaled into an operational environment is called ” （74)