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| The unit of a computer system that includes the circuits that control the interpretation and execution of instructions. In many computer systems, the CPU includes the arithmetic-logic unit, the control unit, and the primary storage unit. |
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| Computer hardware as a system of input, processing, output, storage, and control components. Thus, a computer system consists of input and output devices, primary and secondary storage devices, the central processing unit, the control unit within the CPU, and other peripheral devices. |
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| Any input/output device connected by telecommunications links to a computer. |
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| A software interface that relies on icons, bars, buttons, boxes, and other images to initiate computer-based tasks for users. |
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| A flat, circular plate with a magnetic surface on which data can be stored by selective magnetization of portions of the curved surface. |
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| A small plastic disk coated with iron oxide that resembles a small phonograph record enclosed in a protective envelope. It is a widely used form of magnetic disk media that provides a direct access storage capability for microcomputer systems. |
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| Redundant array of independent disks. Magnetic disk units that house many interconnected microcomputer hard disk drives, thus providing large, fault tolerant storage capacities. |
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| A larger-size computer system, typically with a separate central processing unit, as distinguished from microcomputer and minicomputer systems. |
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| A very small computer, ranging in size from a "computer on a chip" to hand-held, laptop, and desktop units, and servers. |
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| A type of midrange computer. |
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| Moore said that there would be a doubling in the number of transistors per integrated circuit and predicted it would continue. |
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| A low-cost networked microcomputer with no or minimal disk storage, which depends on Internet or intranet servers for its operating system and Web browser, Java-enabled application software, and data access and storage. |
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| Coordinate telecommunications and resource sharing in small local area networks and in Internet and intranet websites. |
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| Pertaining to equipment or devices not under control of the central processing unit. |
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| Pertaining to equipment or devices under control of the central processing unit. |
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| In a computer system, any unit of equipment, distinct from the central processing unit, that provides the system with input, output, or storage capabilities. |
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| Devices that allow end users to issue commands or make choices by moving a cursor on the display screen. |
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| Radio Frequency Identification |
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| Storage that supplements the primary storage of a computer. Synonymous with auxiliary storage. |
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| A contraction of "binary digit." It can have the value of either 0 or 1. |
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