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| A hypothetical three-dimensional visual world created by a computer; user wears special goggles and fiber optic gloves etc., and can enter and move about in this world and interact with objects as if inside it. |
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| The branch of computer science that deal with writing computer programs that can solve problems creatively. |
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| Management Information System |
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| A computer system designed to help managers plan and direct business and organizational operations. |
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| An abstraction or an approximation that is used to represent reality. |
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| Economic activity or event that initiates the accounting process of recording it in the firm's accounting system. |
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| A measure of the extent to which a system achieves its goals; it can be computed by dividing the goals actually achieved by the total of the stated goals. |
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| A measure of what is produced by what is consumed |
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| A collection of facts organized in such a way that they have additional value beyond the value of the facts themselves. |
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| Information having considerable monetary worth; costing or bringing a high price. |
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| The ability to read and write. |
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| A mostly hierarchical concept of subordination of entities that collaborate and contribute to serve one common aim. |
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| Portions of the database are stored on multiple computers within a network. |
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| A set of attributes partially ordered with respect to their importance. |
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| The Path a specific satellite takes as it revolves around another object. |
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| A material substance (solid, liquid or gas) which can propagate energy waves. For example, the transmission medium for sound received by the ears is usually air, but solids and liquids may also act as transmission media for sound. |
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| Digital subscriber line. A technology that uses existing copper telephone lines and advanced modulation schemes to provide high-speed telecommunications to businesses and homes. |
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