Definition: A device that encodes digital computer signals into analog/analogue telephone signals and vice versa and allows computers to communicate over a phone line.

Alright class, settle down, let’s take a look today, At something called a “modem,” in a helpful way! Now, the dictionary gives us a detailed decree, “A device that encodes signals, for you and me!” Let's break it down with rhymes to make it clear, "Modems" are key, banishing all fear. Think of your computer, sending bits so bright, Like tiny messages, day and through the night! But computers speak in numbers, a digital dance, While phones use a different language, a vocal trance. The modem’s job is clever, it changes the flow, Encoding – turning signals down below! It takes those bits, those zeros and ones you see, And transforms them into sounds for telephony! Then when you speak into your phone, clear and true, The modem decodes , bringing messages to you. It switches the signal back, a helpful exchange, So computers and phones can happily arrange To talk across the line, with data so grand, A “modem” connects – understand? Essentially, it's like a translator, quick and neat, Bridging the gap between digital and heat! (Of phone lines!) Do you have any questions about this techy friend? Let’s discuss!