Definition: A stampless system is a type of communication system in which messages are sent without any physical communication devices being used. This can be useful for sending information over long distances, such as through email or text messaging, where there may not be enough resources to use traditional means like wires or cables. For example, if you're trying to send an important message to someone who is far away, you could use a stampless system to send the message via email. The sender would create a digital signature on
closed bracket.
what should be said.