proof-of-concept virus
A proof of concept virus is written by an individual with advanced programming skills, usually to ‘show off’ their programming talents or to point out a vulnerability in a specific software. Usually authors of proof-of-concept viruses will send these programs to an anti-virus software developer, and the programmer would be more apt to produce a blueprint on how the virus would work, rather than launching the virus maliciously.
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- property
Characteristic of an object. In many programming languages, including Visual Basic, the term property>/I> is used to describe attributes associated with a data structure.
- proportional font
)A font in which different characters have different pitches (widths). Proportional fonts are also called proportional-pitch fonts. The opposite of a proportional font is a fixed-pitch font.
- proportional spacing
)Using different widths for different characters. In a proportionally spaced font, the letter I is narrower than the letter q and the letter m wider. This book uses a proportionally spaced font, as do most books, magazines, and newspapers. The opposite of proportional spacing is monospacing. In a monospaced font, each character has the same […]
- Proprietary
Privately owned and controlled. In the computer industry, proprietary is the opposite of open. A proprietary design or technique is one that is owned by a company. It also implies that the company has not divulged specifications that would allow other companies to duplicate the product. Increasingly, proprietary architectures are seen as a disadvantage. Consumers […]
- proprietary software
Refers to any computer software that has restrictions on any combination of the usage, modification, copying or distributing modified versions of the software. Proprietary software usually can be distributed at no cost or for a fee. Proprietary software may also be called closed-source software. See “Is Software Ownership the Same as Licensing?” in the in […]