CMPT 100 Lecture : CMPT 100 (02)

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Computer hardware and software can be divided into diff generations. Government started to use these compus to process census. 1 computer used energy of one block of homes. Used by: lg corporations, research, military, and gov. Improvements: faster, smaller, less electricity, and more reliable. Available to other markets such as airlines/small business. Primary programming languages: fortran (scientific), cobol (business) late 50s-pay roll, tax systems, basic (education) in late 50s-was supposed to be so basic that even a child could use it. Originally in the 70s and even half of the world s language now was programed by cobol. Integrated circuits online transistors, wires, etc. on one silicon chip. Hand-held calculator-probably the start of banned calculators from exams y weighs 0. 5 lbs, faster than eniac y 1/10 000th the cost of eniac. >smaller size, many more circuits (15,000 vs. 1000 in 1965) No use for these micro compus in homes . Youtube: 1984 apple macintosh commercial (full advert, hi-quality)

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