History of Laptops | Computer Hindi Notes

You must have run many types of computers and laptops, the development of laptops is happening very fast. The technology of laptops that are available in the market today is very good, the weight of the current laptop is very less on one side, while on the other hand its speed is faster than many good computers. In this article we will know what is the history of laptop. In this article, we will learn about the history of laptops from 1975 to 2007.

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The IBM-5100 portable computer was launched in September 1975. Which was made by IBM Company. This was IBM’s first production computer. It weighed 55-pounds, much lighter and more portable than other earlier computers. In 1973, IBM developed a prototype called SCAMP (Special Computer APL Machine Portable) which was developed at the IBM Palo Alto Scientific Center. Under this prototype, the IBM-5100 was made. With this laptop, the beginning of making portable computers had started.

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It is about the time when America’s famous Computer Scientist Alan Kay was once working at Xerox PARC (Palo Alto Research Center) in California, then the idea of ​​making a laptop computer came in his mind, it was named Dynabook. He built at least 10 prototypes of the Dynabook. It was named Xerox Note taker.

In this research by Alan Kay, the Xerox Note Taker was developed by a team that included Adele Goldberg, Douglas Fairbairn, and Larry Tesler. Dynabook Inc. is a Japanese personal computer manufacturer currently owned by Sharp Corporation. Developed Toshiba laptops named Dynabook which started an important series for laptop and mobile solutions.

1979

In 1979, the famous British designer William Grant Moggridge designed the first laptop computer, the GRiD Compass, which was the most portable computer and laptop computer at that time, which could be easily carried anywhere. Being more powerful, and less weight, NASA first used the GRiD compass in one of its spacecraft projects in the early 1980s. After its success, special military forces also used it as paratroopers in war.

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The “Osborne-I” portable computer was launched by the Osborne Corporation on 3 April 1981. It was the first portable laptop that was commercially successful. It weighed 24.5 lb (11.1 kg), and had a 5″ display screen.

There was no on-board battery to turn on this laptop. Wall socket was required to operate it, from which electricity was supplied to start this portable. We can call it a portable device, as it can be carried anywhere by hand when the keyboard is turned off.

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Epson HX-20 also known as HC-20. It was invented in July 1980–81 by Yukio Yokozawa, who worked for Suwa Sekosha, a branch of the Japanese company Seiko. This company was obtaining a patent for the invention. It was released extensively in July 1982 under the name HC-20 in Japan and Epson HX-20 in North America. The biggest feature of this laptop was that it was very portable, due to which it could be easily moved from one place to another.

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In 1983, the United States launched the TRS-80 Model 100 portable computer. It was one of the notebook-style computers. It consisted of a complete battery-powered system consisting of a keyboard and an LCD display, the size of which was equal to that of a notebook. The TRS-80 Model 100 Portable Computer was originally made by Kyocera, but the rights were later sold to Radio Shake.

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Europe’s Commodore International Company launched the CommodoreSX-64 in January 1984, the first portable computer to feature a full color display. It weighed about 20 pounds. On April 2, 1986, IBM released its first laptop, the PC Convertible. It weighed 12-lbs. making it the first laptop under 15-pounds. It was made in 3½ inch Floppy Disk format. Like modern laptops, it also had the ability to run on battery and it was more powerful than other laptops.

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In 1987, HP Hewlett Packard launched the “Vectra” Portable CS Laptop. Its capacity was such that it was capable of using 1.44 MB diskette, and this laptop was given the facility of 3 inch floppy disk drive.

In view of the facilities of these portable laptops, in 1987 itself, on the request of the US Air Force, a guideline was issued under the RPF Act, 1957 for the maintenance of the army. In this, more than 200,000 laptops were to be purchased for the army. The work of making these laptops was given to Zenith Data Systems (ZDS). Which was a famous company making Microcomputer. Due to the purchase of such a large number of laptops by the US Air Force, the popularity of Portable Computers ie Laptops increased even more.

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In 1988, an American information technology company, Compaq, launched its first portable computer, the Compaq SLT/286.

Compaq SLT Series was a series of laptop computers made by Compaq Company in which users were given more features than earlier laptops. Compaq company had prepared two models of laptops in this series. The first model was the SLT/286 which was released on October 17, 1988. Its specialty was that its battery life was much better than the rest of the laptop models. Its most important feature was that its display quality was very good, due to which this laptop was a success to a great extent.

Compaq Company’s second model of the same series, the SLT 386s/20, launched in 1990, was designed with the 386SX 20MHz microprocessor. Its speed was 50% more. It was the first battery-powered laptop to feature VGA graphics and an internal hard drive.

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Macintosh Portable was launched in 1989. Which Apple Computer, Inc. was designed by. It was the first battery-powered Macintosh Portable, in terms of its weight, it weighed around 7.3kg. Due to some shortcomings in this laptop, it was not successful. It featured a Black & White screen which was quite expensive. And its biggest drawback was that due to low brightness, users had trouble reading the data.

To rectify these shortcomings, Apple launched the Macintosh Portable (model M5126) with Backlight feature. The display performance of the screen got better but it reduced the battery life a lot. To increase battery life, Macintosh Portable used expensive SRAM memory. But later the new Backlight Portable was designed in such a way that low-cost SRAM was used, due to which the cost of this portable was reduced to some extent, but it was designed for high quality, which made its price more affordable. The weight was high. Due to these shortcomings of the Macintosh portable laptop, this portable was discontinued in October 1991.

In this sequence, the NEC telecommunication engineering team of Japan launched the NEC UltraLite in 1989. It weighed less than 5 pounds.

This notebook size portable got a lot of success in the media because a similar notebook size portable was needed to write small articles in the media. But apart from the media, most of the users did not like it, the 2 biggest reasons were that one was lack of hard drive and the other was that the processor installed in it was very slow.

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Two famous companies of the world, Microsoft and Intel started working together to make portable laptops. Both these companies combined new software and hardware to make high performance laptops which proved to be very useful in the commercial field.

The biggest problem with older computers was that people could not take them on travel because of their high weight. But due to these high performance and light weight laptops, it became easier to do tasks in commercial fields.

In 1992, the Italian company “Olivetti” created the first laptop that could use a touchpad. There is no need to connect the mouse separately in this.
The touchpad is used to control the mouse pointer, also known as the cursor. When we have to select or display an item on the display, with the help of Touchpad, we can select that item with the mouse pointer or cursor.

1994

In 1994–95 the ThinkPad 775-CD was launched, introduced by IBM Corporation as a model for the ThinkPad 700-series. It was a notebook computer.
Integrated CD ROM drive was used in this. With the help of which the data of a Compact Disk could be read. It was the first laptop to feature integrated CD-ROM drive.
By the end of 1998, this series of ThinkPad laptops was very successful in the market.

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In 2002, the Toshiba company of Japan launched the Toshiba Portege-2000 laptop in the Toshiba Protégé series. Most of this laptop was used in commercial fields. Such new techniques were used in portege laptops which no laptop company had done before. This series was successful in laptop and mobile solutions because these laptops were also very light in weight and could be easily carried anywhere. The facility of Integrated CD ROM drive was also provided in this series.

Protégés was designed for portability and superior performance. The main feature of this series was that it paid the most attention to the battery life of laptops in all its models, which made it very successful. Apart from this, the structure of the models in the Protégé line was designed in such a way that makes the laptop more strong and stable.
In the same series, Toshiba launched the Toshiba Portege M100 in 2003, the first laptop to feature a slim DVD-ROM drive.

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Taiwan’s multinational computer-mobile hardware and electronics company ASUS released the Eee PC 701, the first Netbook laptop, in October 2007. It was a laptop with a higher capacity than normal laptops. Netbooks are laptops that are smaller in size and more suitable for wireless communication. It used a 7-inch screen, an Intel Celeron-M processor, and a 4GB SDHC storage disk. These laptops were known for their low weight, low cost and high processor. For some time, the demand for these laptops was very high in the market, but due to the increasing technology, tablets and Ultrabooks were launched with less price and less weight. Sales of ASUS’s Eee PC series declined due to increased user interest in tablets and Ultrabooks.

In January 2013, ASUS ceased production of its Eee PC-series. He later relaunched the new series of laptops with the release of the Ebook series in 2015.

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