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Data Definition

–noun
1. a pl. of datum.
2. (used with a plural verb) individual facts, statistics, or items of information: These data represent the results of our analyses. Data are entered by terminal for immediate processing by the computer.
3. (used with a singular verb) a body of facts; information: Additional data is available from the president of the firm.

From Dictionary

Communications Definition

–noun
1. the act or process of communicating; fact of being communicated.
2. the imparting or interchange of thoughts, opinions, or information by speech, writing, or signs.
3. something imparted, interchanged, or transmitted.
4. a document or message imparting news, views, information, etc.
5. passage, or an opportunity or means of passage, between places.
6. communications,
a. means of sending messages, orders, etc., including telephone, telegraph, radio, and television.
b. routes and transportation for moving troops and supplies from a base to an area of operations.
7. Biology.
a. activity by one organism that changes or has the potential to change the behavior of other organisms.
b. transfer of information from one cell or molecule to another, as by chemical or electrical signals.

From Dictionary

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    The most familiar example of a communication device is the common telephone modem (from modulator/demodulator). Modems modulate, or transform, a computer's digital message into an analog signal for ...
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    The application layer is difficult to generalize, since its content is specific to each user. For example, distributed databases used in the banking and airline industries require several access and ...
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    A major area of study in computer science has been the storage of data for efficient search and retrieval. The main memory of a computer is linear, consisting of a sequence of memory cells that are ...
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