Manchester, United Kingdom

Computer (Security)

Language: English Studies in English
Subject area: computer science
University website: www.trafford.ac.uk
Higher National Diploma (HND)
Computer
A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.
Security
Security is freedom from, or resilience against, potential harm (or other unwanted coercive change) from external forces. Beneficiaries (technically referents) of security may be persons and social groups, objects and institutions, ecosystems, and any other entity or phenomenon vulnerable to unwanted change by its environment.
Security
Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing.
Helen Keller, The Open Door (1957). This quotation is often contracted into: Security is mostly a superstition... Life is either a daring adventure, or nothing. or paraphrased: Life is either a daring adventure or nothing at all.
Security
But why should there be an exception relative to security?  What special reason is there that the production of security cannot be relegated to free competition?  Why should it be subjected to a different principle and organized according to a different system?
Gustave de Molinari, tr. J. Huston McCulloch, §II of The Production of Security (Auburn, AL: Ludwig von Mises Institute, 2009; orig. 1849), p. 24.
Security
There is no security on this earth; there is only opportunity.
Attributed to Douglas MacArthur; reported in James B. Simpson, Contemporary Quotations (1964), p. 316; reported as unverified in Respectfully Quoted: A Dictionary of Quotations (1989).
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