WHAT IS cpu AND WHEN IT'S INVENTED
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The first working CPU (see the nearby photo) was delivered to Busicom in February, 1971. It was called "Microcomputer on a chip" (the word microprocessor wasn't used until 1972). The first known advertisement for the 4004 is dated back to November 1971, it appeared in Electronic News.
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Explanation:
CPU is central processing unit.
IT WAS INVENTED IN 1971.
it is also called the brain of computer
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