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fiber optic
A telegraph relies on a wire to transmit a message to an individual on the receiving end. A cell phone is a wireless device that uses radio waves to transmit a signal.
You use a red stone repeater to delay redstone signals, to extend the range of redstone (12 blocks), or to transmit signals through solid blocks.
Telegraph can be a noun or a verb, depending on it's usage in a given sentence. As a noun, the word describes a process, system, or an apparatus for transmitting messages or signals to a distant place. As a verb, it means to transmit or send a message by telegraph. -It can also mean to unwittingly indicate one's intention, such as to an opponent, or to an audience.
A television repeater can be a TV translator. It receives a distant station thru a receive antenna mounted high on a tower then re-broadcast this signal from transmit antenna(s) on a different channel, mounted on the same tower.
Telegraph.
It used wires to transmit Morse Code over short distances
The telegraph was invented by Samuel Morse in the 1830s. Morse developed the system of dots and dashes known as Morse code to transmit messages over long distances using electrical signals sent along telegraph wires. The first telegraph line in the United States was completed in 1844 between Washington D.C. and Baltimore.
31 miles.
The first electrical telegraphs used Morse Code, sent as long and short electrical impulses along wires.
No, that would be a hub or repeater. A switch will only transmit a message to the designated receiver (unless the packet is a broadcast packet).
Morse Code, created by Samuel Morse, was designed to transmit letters across the Telegraph system. He wanted frequently used letters to have short codes and less frequently used letters to have longer codes.