CMNS 253W Lecture Notes - Webct, Raymond Williams, Semiconductor Device Fabrication
17 Jun 2011
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Roy bendor, kate milberry d100 and jean debert d200 rbendor@sfu. ca, mmilberr@sfu. ca, sge@sfu. ca. Definitions information technology is: machines for manipulating and moving information information is. In a hierarchy from data to wisdom, information is data that is endowed with relevance and purpose". Usually, it is calculated and communicated by computer; it is measured by the number of transactions or exchanges (email messages, library searches, etc) What is digital? we will go into digital" in more detail in week 4, when we talk about the fundamentals of computers, but for now, let"s use this definition: When information is encoded in a series of biner (1 or 0, on or off, high or low) representations it is seaid to be digital. Information has only two states in this world, but the real world is continuously variable" the continuously variable world is often called the analog" world.
