From the course: Computer Science Principles: Digital Information
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Communicating with bits
From the course: Computer Science Principles: Digital Information
Communicating with bits
- We can transmit information and code it as bits in a number of ways. Since bits represent states of on or off, which we represent as ones and zeros, we can communicate those to other people. For instance let's take a single question, "Am I happy?" The answer could be yes or no represented as a bit using one or zero. We can send that value to someone else and they will then have that binary bit of data. But that's all they'll have. All they'll have is the one or the zero that we sent. Those numbers don't really mean anything. In addition to their actual value both sides need to know what the question or state the value represents. That is part of the encoding process. Both sides need to have a shared understanding of what the value means. When they both understand the question being answered then they are able to successfully communicate using that bit. But that's sending a single bit of information. Take for example this communication. If the sender and receiver need to communicate…
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