Technology industry is more and more growing in modern life. Portable device is the most successful field in this industry. They help people can work anywhere and be free the desks. Handy-LE (1971), Parker Bros (1978), Osborne 1 (1981), Grid Compass 1100 (1982), Eee PC 4G Netbook (2007), Apple iPad 1 and 2 (2010-2011), Motorola Atrix 4G (2011), and so on are the most important milestones in the history of mobile computing.
Handy-LE (1971) was the first pocket-size calculator from Busicom. It was one of the first devices to carry out a computing function. The little machine was truly the first calculator that you could easily hold in hand or in your pocket.

Handy-LE (1971) - the first pocket-size calculator

Osborne 1 (1981) was the first computer to be made for carrying with users. The computer weighs 10.58 kilograms. It was equipped with a 5-inch diagonal screen, two full size floppy drives, a keyboard and a handle in the back for easy picking up
TRS-80 Model 100 (1982) was very popular with journalists. Microsoft co-founder Bill Gates said that he wrote many programs for this product.
Apple iPhone (2007) was the first iPhone by Apple to be powered with intuitive interface and computing ability. Although Apple has released the forth iPhone, the 2007 version has also been used worldwide

Motorola Atrix 4G (2011) represents the future of mobile and desktop computing.

Parker Bros (1978) was among the earliest portable computers that many children in the late '70s and early '80s were interested in. The device provided six different games with simple microprocessor

Grid Compass 1100 (1982) was named as the first clamshell laptop. It changed portable computing when the manufacturer designed the display fold over the keyboard.
Eee PC 4G Netbook (2007) was the first netbook in the world and the first device relied on SSDs instead of hard drives
Apple iPad 1 and 2 (2010-2011) is the best-selling tablet PC these days.
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I am a web developer. I love technology and have a passion of writing articles about technology news, especially new products.