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The very first Laptop was the Osbourne 1 whis was created in 19981. The Osbourne 1 weighed about 24 pounds, and featured a five inch screen, modem port, two 5 1/4 floppy drives, and a battery pack. Its overall cost was about $1795 dollars.
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In 1983, a newer version of the Osbourne 1 came out named the Gavilan mobile computer.The Gavilan featured a clamshell design where the screen folded over the keyboard when closed and it weighed in at a light 9 pounds. It could run on a nickle cadmium battery for 9 hours.
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Over time laptops were being be made more and more and in 1988 Compaq made a SLT/286 laptop. This laptop weighed a heavier 14 pounds than the last one ,it also had a 1.44 floppy drive, a 286 processer and a new low-power chip that is among the faster 80286 microprocessors.
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Around the late 1980's the macintosh portable was created by apple. This computer, weighed in between 16 and 17 pounds, had a clear it 640x408 pixel active matrix screen,and had a battery that lasted an amazing 10 hours.
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In 2006 apple release the Apple Macbook Air laptop. This computer weighed a very light 3 pounds, had 64 gigabyte's of storage, and had a colored digital screen.
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In 2012 laptops are much more advances, lighter, sleeker, and cheaper models. An example would be the 2012 Acer models that comes with high level specs, Amd dual core C-60 accelerated processor, HDMI port, and up to 7 hours of life. This is the complete evolution of computers.
