In data presentation of computing
systems and applications, when a user click the submit button on the form, the
name-value pair of each form is sent because it is an open-ended data structure
that allows future extension without altering existing code or data.
Gamma rays are not used for communication.
-- We have no safe way to generate them.
-- We have no cheap way to detect them.
-- We have no way to impress information on them (modulate them).
-- They're dangerous.
Otherwise they're ideal for communication.
<span>Routers are hardware devices or software programs that direct messages as they travel between networks. the answer is routers</span>