Computer Science 1026A/B Chapter Notes -High-Level Programming Language, Bytecode, Sun Microsystems
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COMPSCI 1026A/B Full Course Notes
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Topic 1: introduction to computer science and computing. Computers cannot be given the quality of smartness because it does not think. It is a simple utensil that provides certain output for input. Even compared to a toaster, it is not smarter. 1927: differential analysis / analogue computing device (used to count votes) Much faster than humans, and always correct: first computer bug actual bugs that had to be caught by-hand to prevent destruction of vacuum tubes. 1960: computers become great as tabular machines at collating and storing data: access was very limited, with main availability in large businesses and universities. Input was still laborious, requiring punch cards and batch jobs. 1965: moore s law the processing power of computer will double every two years : this has held true to today since 1965. 1975: microchip is created, and is used to create the first home computers.