The Telecommunications Industry

By Susan E. McMaster | Go to book overview

Glossary

a
Address information provides the location of the telephone within the network to the switches so that they know where to route calls received for that address.
Analog operates with numbers represented by directly measurable quantities.

b
Broadband services operating at, responsive to, or comprising a wide range of frequencies or the frequency range is divided into multiple independent channels for simultaneous transmission of signals.

c
Cells are the area within which a particular cellular (or PCS or other form of wireless) tower provides transmission and reception for the mobile units operating within it.
Common carriers offer service to all who wish to obtain the services offered at posted prices. The systems that they operate provide for shared use of the facilities by those who use them rather than providing dedicated facilities as is done in private line services.

d
Diaphragm is a dividing membrane or thin partition in the telephone that allows for the sending of the voice signal.
Digital operates with numbers represented expressly measurable as digits, that is, 0’s and 1’s are transmitted.
Divestiture is the compulsory transfer of title or disposal of interests upon government order.

e
Economies of scale are present when large output volumes can be produced at a lower cost per unit than small output volumes.
Economies of scope exist when it is cheaper to produce both (or many) products together in the same firm rather than the products being produced by two separate firms.

-177-

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