By Ann Jennings

Technical inventions represent the fundamental structure of our modern world. We seem to be unable to do anything without technology. One of the inventions many of us cannot do without is the PC.

The latest developments in the field of computers have brought us the laptops. When discussing about laptops, which are also called notebook computers, we actually mean small PCs for flexible use.

We can virtually retrieve all the basic components in laptops from desktops. Thus, laptops include the display, the keyboard, a pointing device - touchpad or pointing stick, and the battery.

The advantage of laptops is that they make one single unit that comprises all the other items, allowing for easy maneuvers and lots of mobility. The rechargeable batteries of laptops get their power from an AC/DC adapter and their capacity enables them to be functional for several hours.

The very name of notebooks comes from the thin shape and small size of these computers. Laptops are usually 0.7 - 1.5 inches thick and their dimensions range from 10x8 inches (13 inch display) to 15x11 inches (17 inch display) or up. Furthermore, laptops are built light, weighing no more than twelve pounds. Last but not least, the flipping feature allows for a good protection of the screen and makes portability possible.

Personal computers became feasible at the beginning of the'70s and not long after that the laptops invention germs were there. The person who imagined the transformation was Alan Kay of Xerox PARC. In'72 took shape as a project under the name of Dynabook.

By'81, the first laptops were introduced on the market. The Epson HX-20 and Osborne 1 models were the first portable computers commercially available. Since then laptops have developed and become more and more proficient.

Unfortunately, there are downsides to the use of laptops too. First we need to see the good parts to be able to investigate the flaws. The main and most important advantage of laptops is evidently their portability. In addition, laptops have the ability to work on battery power in the event of a power outage. Laptops are also more economical and do not produce as much heat as desktop computers do. Compatibility and standardization are the main flaws of laptops today. In spite of some accepted world standards for the manufacturing the elements for the peripherals and add-in PC cards in desktop computers, the processor and hard driver manufacturing part does not fall subject to any international regulation yet.

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