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antivirus any software program designed to identify, thwart, and eliminate computer viruses and other malicious software programs. [2 definitions]
Apple a multinational company that sells consumer electronics, computer software, and online services.
beta a version of software that is still undergoing development and testing, which in turn is facilitated by feedback from users. [2/3 definitions]
crash1 in computing, to fail suddenly and completely, as a software program, operating system, or component of computer hardware. [1/17 definitions]
documentation in computers, written and graphic material supplied to explain the operation and maintenance of hardware and software. [1/3 definitions]
fire wall (usu. spelled as one word) software or hardware that prevents unauthorized access to a computer or local area network from an outside network such as the Internet. [1/2 definitions]
firmware a computer program or set of functions stored on a ROM chip, rather than in software.
freeware software given away at no charge by its author but remaining under the author's copyright.
functionality capability, esp. the specific operations that a software program, computer, or other electronic device is able to carry out.
malware a software code designed to perform unwanted and unauthorized actions, esp. to steal, destroy, or damage data.
operating system in computing, the software that controls and manages all aspects of a computer's operation, including the execution of application programs; the functioning of computer hardware; data input and output; the timing of and allocation of resources to the execution of multiple, simultaneous tasks; the physical storage and location of data; and computer security. Users interact with the operating system though a graphical user interface.
platform a hardware or software system, based on specific technical standards, that allows only compatible software to run on it. [1/6 definitions]
plug-in a supplementary software application that adds enhanced functionality to a computer program. [1/2 definitions]
portable of computer software, capable of working on a variety of computers. [1/4 definitions]
search engine a software program that searches a database or network, esp. the Internet, for data, files, or documents containing terms specified by the user.
shareware software delivered free of charge and, for continued use of which, users are asked to pay a small fee.
toolbar one or more rows of buttons on a computer display, each of which can be clicked to select a particular functionality in a software application or web browser.
turnkey system a complete computer system of hardware and software sold as a unit.