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The difference engine was made by Charles Babbage to calculate mathematical tasks and it was the first programmable computer.
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Colossus was made to be able to break any code and it broke the Lo-Renz Cipher that helped win the war significantly. It was originally invented by Alan Turing in 1936, but was then made by Tommy Flowers
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ENIAC was the first general computer and it was 1000x faster than any other electro mechanical machine back in the time.
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It was a very small chip that had the power of many Colossuses invented by Robert Noyce and was the breakthrough that allowed much smaller computers.
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It was the first personal computer that could be bought and used at home.
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The TRS-80 was the next personal computer made by Tandy Corporation. It was the first to have a display.
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It was the first smartphone that was touchscreen. It could make and receive cellular calls and send and receive emails, fax, and cellular pages. It was made by IBM
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It was the first smartphone made by Apple that was completely touchscreen on the display and it had many applications.
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It was the first smartphone made by Samsung that used Samsung’s open source operating system.
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It was the first smartphone capable of making 4 bit greyscale images. It has a modified version of the android operating system and is capable of doing many things.
