Here are entered general works on protecting computer hardware and software from accidental or malicious access, use, modification, disclosure, or destruction. --subdivision Security measures under names of individual and types of computers, networks, and systems, e.g. IBM computers--Security measures
Here are entered works limited to computer programs. General works on computer programs accompanied by documentation such as manuals, diagrams and operating instructions, etc. are entered under Computer software. --subdivision Computer programs under topical headings; and uniform titles of individual computer programs