Laptop is like a notebook, a laptop is a portable computer that with the same skills as a desktop computer, but is not large enough for easy freedom. Portable computers run off batteries or AC power, like NiCad or NiMH packs, for several hours. Laptop screen is LCD stands for liquid crystal display. They are expensive than simple personal computers. They have touch screen pad also known as sensitive pad for moving the objects with the fingers of hands.
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Martin Cooper (inventor) Inventing handheld cellular mobile phone Making world’s first handheld cellular mobile phone call. Martin “Marty” Cooper (born December 26, 1928) is an American engineer.