2009年4月16日星期四

Looking for a Laptop? Consider These Things First

Manufacturers are discovering that many users don’t care. Sales are up, and the category’s hot, with companies tripping over themselves to introduce new netbook models. Why? Many users seek simple devices they can use to access the Internet, send and receive e-mail, and edit basic office documents and spreadsheets. That’s it. They don’t need expensive features they’ll never really need or use. They just want access to the much heralded “cloud.”However, not every netbook is right for every user. So before you look for a netbook, pay attention to the following things:
Display size: Netbooks are designed to be small, lightweight, and portable. One significant tradeoff is screen size. Many of the most popular models feature only seven- or nine-inch screens. Your best bet, before committing to a purchase, is to test using a sample or evaluation unit at a local retailer. Otherwise, you may be underwhelmed when such a small box arrives in the mail.
laptop battery life: Netbooks grew from initiatives to build simple laptops that could be used by children in developing countries. As a result, these systems have an energy-conscious heritage, which is doubly important considering most netbooks are used away from homes and offices.
Due to differences in batteries, CPUs, hard disks (solid state versus traditional hard disk drives), and display technologies, battery life varies widely by manufacturer and model. For example, Asus Eee PC 1000HE users can receive as many as five hours of service from a single charge, whereas Wired tests found the HP Mini 2140 lasted only 2.5 hours.
laptop keyboard and pointer buttons: Small is the resounding netbook theme, and that applies to keyboards and track pad options, too. Don’t expect systems with 8.9-inch displays to include full-size keyboards. Keys can actually prove alarmingly small (yet another reason you should test a potential new purchase before buying).
Storage space: Many users are accustomed to 80GB, 160GB, or even 250GB notebook hard drives these days. With such vast storage capacity, they haven’t had to limit the number of songs, graphic files, and videos they store on their personal computers. But netbooks are different. Some leading styles include only 16GB solid state drives that, once Windows is loaded, don’t leave acres of space for file storage. Consider your needs and plan accordingly.
Weight: Portability is the key with netbooks. Many of the most popular 8.9-inch display models weigh only two-and-a-half pounds or so. But some may sneak up on you. Rethink machines weighing more than three pounds — too many sub three-pound options are available for you to settle for needless deadweight.

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Connecter size:
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Sony VGP-AC16V13 AC Adapter(Input: AC100-240V - 50/60HZ (Worldwide Compatible) Output: DC16V 4A Power: 64W )
Dell PA-1650-05D AC Adapter(Input: AC100-240V (worldwide use)
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Dell Inspiron 1525 Battery(Type: Li-ion, 9 cells Voltage: 11.1V Capacity: 6600MAH )

Compaq Presario CQ40 Battery(Voltage: 10.8V Capacity: 8800MAH )

Dell Inspiron 1526 Battery(Type: Li-ion, 9 cells Voltage: 11.1V Capacity: 6600MAH )

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