Why a Notebook Computer Delivers More than a Desktop

Many of us are so used to working on a computer desktop that when it comes time to purchase a new computer, we don’t consider other options. Today, computer notebooks – which were once called laptops – offer a number of advantages over a computer desktop. Here are just five reasons why you should take a second look at notebooks.

1. Mobility

You might be used to pulling up a chair to your computer, but it makes much more sense to pull your computer up to your chair. Laptops can certainly be used at your desk, but you also have the option of bringing them to the spot where you’re most comfortable. Maybe you’d like to surf the Web in the evening out in the living room or catch up on your favorite blogs before bedtime. Notebooks with wireless connectivity can travel with you throughout your home, so you can check your email or do your Internet shopping anywhere.

Of course, notebooks also make sense for those who are on the go. Students can take laptops to class and to the library, while businesspeople can take them along while traveling. With WiFi so widely available, it even makes sense to have a notebook while on vacation. With the right notebook, it’s easy to take photos with your digital camera, upload them, and email them to friends and family before you even get back home. Or you can use it to write a vacation blog and include those pictures from your digital camera.

2. Better Displays

The size and quality of computer notebook displays has improved so dramatically that there’s little difference between laptops and a computer desktop. For example, you can get Apple’s MacBook with a 13.3-inch LCD widescreen (1280 x 800 pixels), a 15.4-inch LCD widescreen (1440 x 900 pixels) or a 17-inch widescreen (1680 x 1050 pixels). Similarly, the Compaq Presario has a 15.4-inch display.

3. Lighter Weight

Just a few years ago, even the lightest notebook was a pain to lug around. Today, though, laptops are increasingly easy on the back. The MacBook is slightly over an inch thick and the Toshiba Portege weighs in at about four pounds. While that’s still heavy compared to come of the new ultralight convertibles (Fujitsu’s LifeBook U810 weighs only a pound and half), it’s a significant improvement over the old seven-pound laptops.

4. Better Computing and Battery Power

Historically, two drawbacks of notebooks were their limited RAM, limited space on the hard drive, and short battery life. Times have changed, though, and laptops now have as much power under the hood as their computer desktop cousins. The MacBook, for example, has 1GB of memory (configurable up to 4 GB) and a hard drive that’s configurable to 250GB. This means that your software will hum right along and you’ll be able to zip through programs as quickly and as easily as you do on your desktop. Likewise, batteries in today’s notebooks don’t heat up and don’t conk out.

5. More Features

In older laptops, the computer’s size and weight limited the number and types of features available. Today, with smaller processors and other components, there’s room to pack more features into notebooks. For example, the MacBook has a DVD player, built-in webcam, built-in wireless capability, two USB ports and a FireWire port, built-in microphone, and audio and digital input/output.

There are so many advantages to owning notebooks that, before you buy your next computer, it’s worth your while to take one for a spin.

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LCD TV – Hi-Tech Entertaining Phenomenon

All of us are now acquainted with objects containing liquid crystal display. We frequently use them in our lives. They are preferred over other display technologies. The words liquid and crystal seem absolutely opposites of each other. The molecules of solids on one hand are closely packed to each other and have fixed position while on the other hand; liquids can move anywhere. But there are some substances which can subsist in odd circumstances that are a kind of fluid and a kind of solid. It means that crystals in LCD s are neither solid nor liquid.


LCD TV uses liquid crystal display technology to display image. Prior to the invent of LCD TV, televisions had various shortcomings like improper display of speedy actions, one can view the screen by sitting just in front of it or at a minor angular distance because the light thrown by it used to focus in straight line. These problems don`t persist anymore, as LCD TVs, with plasma displays, have overruled the old cathode ray display televisions.


LCD equipment is based on the properties of polarized light. LCDs are not completely opaque to light; however, some light will always go through the darkest LCD pixels. Two transparent electrodes and two polarizing filters contains individual pixel in such a way as if a sheet of tiny particles is associated among them. The axis of broadcast between these polarizing filters is set at 90 degrees angles without any liquid crystals, so that the second polarizer block the light passed by the first filter.


Advances made in this field have enabled it to defeat technologies offered by its opponents. Formerly it was believed that this technology is best only for small-sized televisions. But now it can offer some performance as plasma technology. Although ghosting was a problem when LCD TV was launched but now the producing companies have been able to solve this problem to a large extent.


LCD technology still has a few drawbacks. Attempting to run LCD panels at non- native resolutions, usually results in the panel scaling of the image which introduces blurriness and blackness. Consumer LCD monitors had to be more fragile than their CRT counterparts. Many LCDs are incapable of displaying very low resolution modes due to the scaling limitations. Some LCDs have significant input lag. If the lag delay is large enough, such display can be unsuitable for fast and time-precise mouse operations. LCDs and plasma displays are no doubt superior to other display packages but are still less in use than cathode ray tubes.


Important factors to be kept in mind while evaluating LCD monitors are: the distance between the centers of two adjacent pixels; the smaller the dot pitch size, the less granularity is present, resulting in a sharper image; the vertical and the horizontal size of pixels; the minimum time necessary to change a pixels color or brightness; the size of an LCD panel measured on the diagonal; whether the matix type is active or passive, how many types of colors are supported etc.


Manufacturers have decided to spend any amount in this field in the near future with television expecting to be the main market and computer monitors with LCD displays as the other main market. With advancements in LCD technology, producers are offering televisions with many advantages like lighter weight, lower prices, and high resolutions and above all burning up lesser energy.

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