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FACTS ABOUT CLOUD COMPUTING

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CLOUD COMPUTING Cloud computing is the use of computing resources (hardware and software) that are delivered as a service over a network (typically the internet). PUBLIC CLOUD Public cloud is one based on the standard cloud computing model, in which a service provider makes resources, such as applications and storage, available to the general public over the internet. Public cloud service may be free or offered on a pay per usage model. PRIVATE CLOUD Private cloud (also called internal cloud or corporate cloud) is a marketing term for a proprietary computing architecture that provides hosted services to a limited number of people behind a firewall. A COMMUNITY CLOUD A community cloud is a multi- tenant infrastructure that is shared among several organizations group with common computing concerns There are also the most distinctive features of Cloud Computing: In order to approach the architecture of cloud computing, one can imagine a simple Calculator. Processor cor...
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Computer Glossary V

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UNIX A very powerful operating system used as the basis of many high-end computer applications. Upload The process of transferring information from a computer to a web site (or other remote location on a network). To transfer information from a computer to a web site (or other remote location on a network). URL Uniform Resource Locator. The protocol for identifying a document on the Web. A Web address (e.g., www.tutorialspoint.com). A URL is unique to each user. See also domain. UPS Universal Power Supply or Uninterruptible Power Supply. An electrical power supply that includes a battery to provide enough power to a computer during an outage to back-up data and properly shut down. USB A multiple-socket USB connector that allows several USB-compatible devices to be connected to a computer. USENET A large unmoderated and unedited bulletin board on the Internet that offers thousands of forums, called newsgroups. These range from newsgroups exchanging informatio...
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Difference Between Vector and Raster image There are two kinds of computer graphics -  raster  (composed of pixels) and  vector  (composed of paths). Raster images are more commonly called  bitmap  images. A bitmap image uses a grid of individual pixels where each pixel can be a different color or shade.  Bitmaps are composed of pixels. Vector graphics use mathematical relationships between points and the paths connecting them to describe an image.  Vector graphics are composed of paths. The image to the left below is representative of a bitmap and the image to the right is representative of a vector graphic. They are shown at four times actual size to exaggerate the fact that the edges of a bitmap become jagged as it is scaled up: Bitmap Image: Vector Graphic: With Adobe® Systems' introduction of the PostScript® page-description language computers could display fonts and images using point-to-point math rather than by pixels alone. The...
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