Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Attenuation
Checksum
Coder-decoder
Codec

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Computer Networking
Modulation is the process of

Multiplexing various signals into high speed line signals
converting digital signals to analog signals
performing data encryption.
converting analog signals to digital signals

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