Eva

which, smaller, ago, which, make, where, much, many, what, sold\ The first worlds computer was built at University of Pennsylvania in 1946, al

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which, smaller, ago, which, make, where, much, many, what, sold\ The first worlds computer was built at University of Pennsylvania in 1946, although computer-like machines were built in the 19th century. Computers were ……………………… (1) commercially for the first time in the 1950s, and a lot of progress has been made then. Computers are now … Đọc tiếp