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Well when the first computer was invented it could only store a couple of documents and then it was uselesss. But since then a lot of improvements have been made. Now they have the internet and can store a lot more documents and You can research alot quicker and easier. Nowadays the computer is very popular and is used for e-mailing, playing games and researching for work, school and more.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoElectronic digital computers were initially programmed using wires and "breadboards." They did not have display screens or keyboards. Of course, many modern computers have eliminated the keyboard, and screens have shrunk from deep old fashioned cathode ray tubes to touch sensitive liquid crystal displays.
Old computers used vast arrays of vacuum tubes for their primary memory, whereas today's processors employ a lot of surface mounted integrated circuitry, consume far less power, and have vastly higher processing speeds. Today a single hand held smart phone has greater storage capacity and processing speed than ALL the computational power used to launch the Mercury rocket that carried Alan Shepard into space.
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