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ObesityObesity, condition resulting from excessive storage of fat in the body. Obesity has been defined as a weight more than 20% above what is considered normal according to standard age, height, and weight tables, or by a complex formula known as the body mass index. It has been estimated that 30% to 35% of Americans are overweight or obese.
Health and Social ImplicationsObesity is a major public health concern because it predisposes the individual to many disorders, such as noninsulin-dependent diabetes, hypertension, stroke, and coronary artery disease, and has been associated with an increased incidence of certain cancers, notably cancers of the colon, rectum, prostate, breast, uterus, and cervix. In contemporary American society, obesity also carries with it a sometimes devastating social stigma. Obese people are often ostracized, and discrimination against them, especially in hiring and promotion, is common.
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Computer Desktop Encyclopedia
Computer Desktop Encyclopedia -- premier source for computer concepts and terminology. Updated quarterly, this powerful, authoritative reference about the computer industry has been heralded by PC Magazine, Government Technology Magazine and others as the best online reference source of its type.
The Computer Desktop Encyclopedia offers more than 18,000 definitions covering all aspects of computers and digital technology. In addition to the library of definitions, the resource also includes explanations of fundamental technology concepts, informative historical content, biographies, company backgrounders and more. Phonetic entries allow users to source definitions for “scuzzy” (SCSI), “gooey” (GUI) and “voyp” (VoIP), while over 2,500 illustrations, photos and charts provide additional insight.
UPS(Uninterruptible Power Supply) A device that provides battery backup when the electrical power fails or drops to an unacceptable voltage level. Small UPS systems provide power for a few minutes; enough to power down the computer in an orderly manner, while larger systems have enough battery for several hours. In mission critical datacenters, UPS systems are used for just a few minutes until electrical generators take over.
UPS systems can be set up to alert file servers to shut down in an orderly manner when an outage has occurred, and the batteries are running out.