3.3 Representing Text
A text document can be decomposed into paragraphs, sentences, words, and ultimately individual characters. To represent a text document in digital form, we simply need to be able to represent every possible character that may appear. The document is the continuous (analog) entity, and the separate characters are the discrete (digital) elements that we need to represent and store in computer memory.
At this point, we should distinguish between the basic idea of representing text and the more involved concept of word processing. When we create a document in a word processing program such as Microsoft® Word, we can specify all kinds of formatting: fonts, margins, tabs, color, and so on. Such programs also let us add art, ...
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