![]() So for example if you have a binary message A B B A, we would say this is a 4-bit message. Bit: We call each element of a binary message a bit. Write down the sequence I send you on your paper.ĭid the second message make you think about your answer to the first question? Do you want to change your answer to the first question? What assumptions did you make in interpreting these messages? Is this protocol specific enough to allow useful communication of a binary message? If not what information would need to be added to it?įor our purposes today a “protocol” is simply a set of rules about sending, receiving and interpreting binary messages. Light on means state A, Light off means state B. First I want you to decode a message that I will send you using a flashlight. Today we are going to develop a more in- depth protocol to solve a different problem. What we were beginning to do in our last lesson was developing a communication protocol. A bit is the single unit of information in a computer, typically represented as a 0 or 1.Ĥ Getting Started In order to interpret the message we needed to know we: Knew which signal represented A and which meant B And we knew there was some kind of mapping between sequences of signals and a possible message. List two issues or problems that could be improved in your encoding strategy.Ī way of representing information using only two options Bit: A contraction of “Binary Digit”. Can you send a message in binary to someone you’ve never before communicated with? If yes, how? If no, what does the person receiving a message need to know in order to successfully decode the message? Why did you choose your particular message encoding strategy? List at least two reasons that justify your decision. The idea was to create a very simple system that can accomplish this goal. The device was supposed to be able to communicate as many options as possible. Presentation on theme: "AP CSP: Sending Binary Messages with the Internet Simulator"- Presentation transcript:ġ AP CSP: Sending Binary Messages with the Internet SimulatorĢ Introduction Last class we built devices that could we could use to communicate with each other.
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