（单词翻译:单击）
Compatible - When one object can be used interchangeably with another.
Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the video information as well as all transmitted subcarriers, such as the color subcarrier.
Compression - This occurs when information is reduced in size but all of the necessary information is retained.
Compression Ratio - This is the ratio of the original size of data that is sent to the compressed size.
Computer Network - See Network.
Configuration1 - This is the software or hardware arrangements that define a computer (or telecom system) and determine what actions will be carried out (and how).
Connected - This means you are online.
Connect Speed - Modem2 speed in bps.
Connection - A electrical pathway between telephones or similar devices.
Control Channel - With a cellular3 telephone system there are a few channels that allow the base stations to transmit information to the cell phones in its area.
Conus - This stands for Contiguous United States.
Copyright - This protects an author's work from being directly copied by another.
Country Code - This is the standardized4 code that designates a certain country.
Coverage5 Area - A geographical6 area that is defined by the coverage of a particular satellite.
CPS - See characters per second.
Crash - This is the complete failure of software or hardware operation. The only available option is to restart from an initial condition.
CRC - See Cyclic Redundancy Check.
Cross Modulation7 - A form of distortion in which modulation from one or more carriers' signals is imposed on another carrier's signal.
CRT - This stands for Cathode Ray Tub, and is a glass device used in video displays (e.g. televisions).
C/T - Carrier-to-noise-temperature ratio.
CTRL - This is the abbreviation for the ConTRoL key-command.
CTS - See Clear to Send.
Cursor - This is the particular marker that points out the next place the text will next appear on your screen.
Cyclic Redundancy Check (CRC) - This is a common process that is used to validate8 the integrity of a block of data.
