{ "item_title" : "The Mainframe Era (1945-1964)", "item_author" : [" Robert Geissler "], "item_description" : "A machine no one had asked for. A television network that almost didn't trust it. A company that bet its entire future on a single architecture no one had ever built before.The Mainframe Era follows computing's strangest transformation: from a wartime secret into something a business could simply buy. Watch two broke engineers sell the first commercial computer to customers who don't yet know why they need one-then watch that machine, on live national television, correctly call a presidential landslide that every professional pollster in America got wrong. Follow Grace Hopper as she convinces a skeptical industry that a computer can be taught to read something like plain English, and follow Thomas Watson Jr. as he stakes IBM's entire future on the single riskiest bet in the company's history: a computer family so ambitious it could bankrupt them if it failed.Along the way, a quiet hardware revolution replaces the vacuum tube with something smaller, cooler, and almost invisible-planting the seed of an industry not yet known by its now-famous name. And this volume finally closes the books Volume III left open: what became of Alan Turing, John von Neumann, and Konrad Zuse once the war that made them indispensable was over.Book Four of The Computing Chronicles, a ten-volume history of computers from antiquity to artificial intelligence, The Mainframe Era is the story of how, in less than twenty years, a machine nobody wanted became an industry nobody could do without.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/817/101/9798171018924_b.jpg", "price_data" : { "retail_price" : "9.99", "online_price" : "9.99", "our_price" : "9.99", "club_price" : "9.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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