Computer Networking
We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?

Videotex
Telesoftware
Teletext
Viewdata
None of these

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

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

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