Across
- In the telephone industry, a geographic area (such as a city and its environs) established by a regulated telephone company for the provision of local telephone services.
- To examine sequentially, part by part.
- A set of data treated as a unit.
- In communications systems, a mechanical, electro-mechanical, or electronic device for making, breaking, or changing the connections in or among circuits.
- A switching system in the message network that establishes trunk-to-trunk connections.
- A device used for the real-time temporary display of computer output data.
- In transmission systems, the aggregate of crosstalk induced in a given line by all other lines.
- The branch of optical technology concerned with the transmission of light through fibers made of transparent materials such as glasses and plastics.
- A wave that has been reflected by a discontinuity in the propagation medium
- The branch of science devoted to the transmission, reception, and reproduction of sounds, such as speech and tones that represent digits for signaling.
- A large computer, usually one to which other computers and/or terminals are connected to share its resources and computing power.
- The storing of files, records, and other data for reference and alternative backup.
- A group of optical fibers or electrical conductors, such as wires and coaxial cables, usually in a single jacket.
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Down
- The ability and means necessary to store data in, to retrieve data from, to communicate with, or to make use of any resource of a system.
- In communications, a circuit available for use.
- Part of a byte, usually half of a byte.
- In personal communications service (PCS), terminal access to a network in which there is a set relationship between a terminal and the access interface.
- Representation of facts, concepts, or instructions in a formalized manner suitable for communication, interpretation, or processing by humans or by automatic means.
- Between local access and transport areas
- A quantitative measurement of the total messages and their length, expressed in CCS or other units, during a specified period of time.
- A unit of frequency denoting one million (106) Hz.
- An informal name for conventional telephone facilities.
- In cellular technology, the use of a wireless telephone outside a specified tariffed geographic area defined by the service provider.
- A set of computer programs, procedures, and associated documentation concerned with the operation of a data processing system.
- The deliberate radiation, reradiation, or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices, equipment, or systems.
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