Fundamentals of Electrical Engineering I By Don Johnson Pdf, On the other hand, the underlying topics are relevant now: Power transmission and creation and data are the underlying topics of electrical technology for a century and a half. This class clarifies what advice is, how engineers measure data, and how electric signals reflect data. Information can take many different forms. When you talk to a buddy, your ideas are interpreted by your mind into motor commands which lead to various vocal tract parts that the jaw, the tongue, the lipsto move into a coordinated manner. Information arises on your mind and can be represented by language, which has to possess a well dened, widely known architecture so that somebody else can see what you say.
Utterances communicate information in sound waves, which propagate to a buddy’s ear. There, noise energy is converted back to neural activity, also, if everything you say makes sense, ” she knows what you state. Your voice might have been recorded onto a compact disk (CD), sent to a friend and listened to with her stereo. Info can choose the kind of a text you type in your word processor. You may send the le through email to some friend, who reads it and knows it. From an information theoretic perspective, every one these situations are equal, even though the kinds of this data representationsolid waves, computer and plastic lesare quite dierent.