👉 A sequence of states representing an encoded message in a communication channel.
Alright class, settle down, let’s take a look, At this word ‘signal,’ and what it really took! The dictionary gives us a helpful clue, “A sequence of states, for me and you!” Let's break it down with a little rhyme, To make this concept truly sublime. Think of a radio, clear and bright, Sending out waves throughout the night. That voice you hear, a message sent, Is a signal – carefully meant! It’s made of changes, on and off it goes, A coded pattern that everyone knows. “Encoded message” is key to see, Information packed for you and me. And "communication channel" - think of the way, The signal travels, day by day! (Like through wires or air, hey!) So a signal isn’t just one single sound, But a series of changes all around. It's how we send data, quick and neat, A structured pattern, bittersweet! Does that make sense? Any questions you see? Let’s discuss this ‘signal’ carefully!