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Early history had very huge computers..
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In 1832 they had enough parts to make the engines
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Charles Babbage first described Analytical Machine...
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The computers had vacuum tubes.
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Vacuum tubes were used for the first computers. They can be replaced, but they are heavy and they generate a lot of unwanted heat.
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The computers were replaced with transistors. The transistors helped the computer to be cheaper, ore reliable, more energy - efficient and faster.
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The 2nd generation computers had transistors
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Integrated Circuit were small in size, they had low weight, they had low power requirement, they had low cost, they had high reliability, it improves the device's performance. But, it has limited power rating, had operations at low voltage, it was quite delicate, and it was low temperature.
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They used integrated circuit.
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They used microprocessors
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Modern Computers help people create, communicate, learn, it also makes work double time faster. But, poeple start to become lazy and idle, most kids play games instead of doing physical activities, and students sometimes neglect their homework while internet surfing.
