an apparatus, system, or process for transmitting messages or signals to a distant place, especially by means of an electric device consisting essentially of a sending instrument and a distant receiving instrument connected by a conducting wire or other communications channel
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 walkie talkie is a simple transceiver. It is capable of transmitting and receiving radio signals on a single device.
Sent.
The "ch" in "temp" most likely stands for "channel," where it refers to the designated channel or frequency used for transmitting and receiving data or signals in a communication system or device.
Firstly gameshark is cheating device for gameboy. secondly a code is a system of signals used to hack the game card itself causing it to corrupt the transmitting messages to the game data. Ummm ... Here's a good link: http://www.gamefaqs.com/gba/918915-pokemon-firered-version/faqs/28392
An Electronic Device
modem is the device that carries digital signals
The most popular such device is the computer - the very device with which you asked that question, and with which I am answering it.
Yes, a telegraph is a device for sending messages. It sends telegrams.
telegraph
a communication device