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Published in:
2016 | OriginalPaper | Chapter
3. Ruby’s Building Blocks: Data, Expressions, and Flow Control
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Abstract
Computer programs spend nearly all their time manipulating data or waiting for data to arrive from elsewhere. We type in words, phrases, and numbers; listen to music; and watch videos, while the computer performs calculations, makes decisions, and relays information to us. To write computer programs, it’s essential to understand the basics of data and its manipulation.