prostoalex writes "A recent submission to my free tech books site included a title that I thought many Slashdotters would enjoy. How It Works: The Computer (published 1971 and re-published 1979) is an exciting look into this new thing called computer. The site presents the scanned pages of 1971 and 1979 editions, and you can see how the page on computer code changes over 8 years from punchcards exclusively to magnetic tapes."
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