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1
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Occurs when several network users communicate at the same time and interfere (collide) with one another.
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2
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Describes signals and systems whose range of frequency is measured from 0 to a maximum bandwidth or highest signal frequency; sometimes used as a noun for a band of frequencies starting at 0.
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3
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Interprets the LAN hardware adapter address contained in MAC and decide whether to filter or forward the frame; does not change the frame in any way.
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5
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Expressed in a range of frequencies using hertz as the unit of measurement; also called analog capacity.
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6
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Relates a number from 0 to 255 in the binary (base 2) form to keyboard characters.
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8
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Used for common channel signaling by both the telephone company switch and the customer equipment; provides the call signals that set up B channel connections.
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10
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A voluntary organization that coordinates the development and use of consensus standards in the United States and represents the needs and views of U.S. stakeholders in standaradization forums around the globe.
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11
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Electrical connection between any two components in a computer.
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12
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Set of rules for determining how network devices response when two devices collide.
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14
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System layout where electrical signals generated by a device connected anywhere on the bus are received by all other connected devices.
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15
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Special computer program that provides an environment in which other programs can use the computer’s central processor and the attached input/output devices.
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17
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An integrated circuit designed for a particular use.
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19
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A technique used for transmitting information via a radio carrier wave.
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22
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The standard size of data in a computer; 8-bits.
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23
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Special type of CD-ROM that can be written onto by any computer with a recording drive; can be written onto more than once.
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25
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The firmware code run by an IBM-compatible PC when first powered on, known as “booting up”; primary function is to prepare the machine so other software programs can load, execute, and assume control of the PC.
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27
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Describes the user information transfer rate the network supports during normal network operations.
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29
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Method of checking for errors in data that has been transmitted on a communications link; a function used to produce a Checksum against a block of data.
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30
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Gives programmers a formal set of routines to call on to use underlying network services.
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31
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Software used to design products such as electronic circuit boards in computers.
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32
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Client applications that access WWW servers.
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33
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Keeps data the processor is likely to need quickly close at hand; increases processor operation speed.
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35
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A digital circuit that calculates an arithmetic operation (e.g., addition, subtraction) and logic operations between two numbers; the fundamental building block of the Central Processing Unit (CPU) or a computer.
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37
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High bandwidth, cell-switching technology; designed to carry many different types of information, including voice, video, image, data, and graphics; another form of STDM (statistical time division multiplexing).
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38
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Contraction of the expression “binary digit”; smallest unit of data in a computer.
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39
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Information manipulated inside the computer in the form of bits and bytes.
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41
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Typical form of xDSL telephone companies offer to residences.
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42
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Network layer protocol provided with TCP/IP; used to map an IP (internet protocol) address to a MAC (media access card) access.
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44
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How fast the CPU works.
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45
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The brain of the computer system where calculations and decisions are made; also referred to as the processor.
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