The document save button actually has a physical version?
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On August 12, 1981, International Business Machines Corporation launched a new computer model, the IBM 5150, and the new market for "personal computers" was born. Looking back over the past 40 years, technological evolution has brought about tremendous changes in our electronic devices. Today, let us take a look at the past and present of common electronic products around us through 8 pictures. Reviewer: Wang Hongpeng, Associate Researcher, China Science and Technology Museum |
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