Computer concepts – Flashcards
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digitization
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the process of converting text, numbers, sound, photos, and video into data that can be processed by a digital device.
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computer network
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group of computers linked together to share data and resources.
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internet
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global computer network originally developed as a miliary project, and was then handed over to the national science foundation for research and academic use.
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cloud computing
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proviedes access to info., applications, communications, and storage over the internet.
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social media
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are cloud based applications designed for social interaction and consumer generated content.
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computer
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is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions.
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byte
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A group of eight bites. usually abbreviated as an uppercase B.
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Kilobyte
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one thousand
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megabite
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one million
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gigabyte
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one billion
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intergrated circuit
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is a super thin slice of semiconduction material packed with microscopic circuit elements, such as wires, transistors, capacitors, logic gates, and resistors.
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Authentication protocols
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refer to any method that confirms a persons identity using something the person knows, something the person possesses, or something the person is.
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biometrics
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such as a fingerprint, facial featrues or retinal pattern.
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user ID
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is a series of characters that becomes a person's unique identifier, similar to a social sercurity number.
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phishing
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hacker pretending to be a legitimate buisness asking for your personal info.
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application software
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is designed to help people accomplish real world tasks , whereas system software is designed for computer centric tasks.
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utility sofware
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is designe to help you moniter and configure settings for your digital gear, ts operating sysem, or application software.
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web application
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software that is accessed with a web browser.
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mobile app.
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designed for a handheld device.
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local applications
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installed on a computers hard disk.
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database
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is a collection of information
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data mining
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process of analysing existing database information to discover previously unknown and potentially useful information, including relationships and patterns.
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cardinatily
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refers to the number of associations that can exist between two record types.