The computer that originates a message to send to another computer is called the encoder. The one that receives the message is known as the decoder.
The computer that originates a message to send to another computer is called the encoder. The one that receives the message is known as the decoder.
a computer not conected to another computer
text message
The computer on a network that requests from another computer is called the client.
Ciphertext is another name for Encrypted
The most common term for the originator of a message is source, followed by sender, transmitter, originator, and many more. The most pervasive word likely varies according to where you are and the dictates of your local dialect.
multi-casting
I think it is called LAN
It is called an Interneuron
Charles Babbage originated the concept of a mechansical computer called "the Difference engine' in the 19th century. See Wikipedia for more info.
uploading
The process is called "encapsulation". The message is broken up into frames which are then further divided into packets. The receiving computer reassembles the packets to reconstitute the original message.