IBM stands for
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Light sound and radio waves are examples of:
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The electromagnetic or light waves representing data are called:
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coding scheme is used by IBM
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The media Access Control sublayer resides in which OSI layer?
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Logical security for on-line systems is achieved primarily by and authorization codes
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Select the statement which is most correct about printer drivers.
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A computer based system in which a telephone message is recorded in digital form and then forwarded to others is
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is the physical path over which the message travels: The
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Which of the following statements best describes a star topology?
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People on a LAN can share.
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The Height of wave within a given period of time is called:
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Communication between a computer and a keyboard involves
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The type of modulation that changes the height of the signal is called.
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One or more computers connected to a hub computer is a(n)
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code systems can represent upto 65536 symbols
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Communication circuits that transmit data in both directions but not at the same time are operating in.
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Which of the following is not a category of network problems.
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Microwave transmission, coaxial cables, and fiber optics are examples of.
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The number of times a wave repeats during a specific time interval is called
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