My Little Prince https://blog.dnevnik.hr/akaniki
ponedjeljak, 27.06.2011.
The selection criteria of laptops
The weight, the first purpose of a laptop is to be transported! The weight is a fundamental criterion. Consider the type of travel you plan to do most often (car, public transport, etc. ...). Mobile phones are often more powerful but can be heavy applications you use on the go do not they require an enormous power? It must in any case ask the question and assess your needs. To date, the machines fall into three categories: ultra-portable, transportable and portable conventional.
The lightest laptops are netbooks. These machines are very light but very powerful. They should be selected only when the weight is the most important criteria because they are limited in power and we believe it is better to opt for a more versatile machine if mobility is not your first test.
- Autonomy: again it depends on your needs. You carry your Dell inspiron 1300 battery from one office to another? In this case, autonomy is not necessarily a paramount consideration for you. It is quite another if you plan to use the machine in the train. Consider the opportunity to gain an extra battery if the machine you choose does not have autonomy in accordance with your wishes.
- The size and screen resolution: more screens are larger, they are expensive! Please note that equal-sized, flat screen displays more information than a conventional screen (a flat screen 15 inch is roughly equivalent to a traditional 17-inch screen).
Regarding the resolution, be careful if you enjoy working in low resolutions. Indeed, the technologies used often require work in the maximum resolutions available on laptops (if not, the display is fuzzy). Strange, but true. For information, screen 15.4 "(traditional Dell inspiron b120 battery) have in general a resolution of 1280x800 pixels. The screens 17" allows for resolutions ranging from 900 to 1920 x 1441 x 1200. The 20 "are generally limited to 1680 x 1050.
Wifi or not? If you need to access the Internet on the go, you should opt for a laptop with hardware that allows you to connect to a wi-fi. Either your machine will be directly equipped (including centrino technology) or you'll need to add a specific card (pcmcia wifi card). This option can be useful because the wireless terminals are increasingly present
in stations, airports in some restaurant McDonald, etc ...
Attention to safety if you connect in this way: Choose a password long enough, and properly configure your hardware. Hackers 'wireless' are growing!
Different wireless standards are the slowest to fastest: 802.11b (11 mega bits per second), 802.11g (54 Mbps) and 802.11n (up to 540 mbps). These speeds are theoretical, the actual rates are lower, and varies with the distance the signal must travel, barriers, etc. ..
- Built-in webcam or not? If you use a webcam on a frequent and on the go, that it is integrated into your machine can help you. For if you are against the webcam in one place, it is often better to choose a non-integrated. Indeed, the webcam built into phones are not always of good quality (currently the standard is 1.3 megapixel, check the resolution of the integrated model). More when they are not adjustable, it's really not very practical.
- The choice of processor: The Dell inspiron b130 battery are equipped with the latest generation of multi-core processor ("dual core" or "dual core" There are also quad-core processors (quad core). These processors are processors that have been two or four units of computation (in a very simplistic, one can say they have two processors). We recommend this type of processor if your budget allows, even if not quite yet fully exploited by current software, because they are an essential advantage when several programs are run simultaneously. You can find information about processors here.
If you want the best of the best, choose a Core i7 (a four core with advanced features to save energy).
If you are looking for a used laptop (therefore less powerful, for example office work) you can direct you to individual processors, the Pentium 'M'. These processors sontpeu energy efficient (they are designed for this). To give an idea and allow you to compare a 1.3 GHz Pentium M offers performance equivalent to a Pentium 4 2.4 GHz while the Pentium M 1.6 ghz pentium 4 to approach the 3.06 GHz (more information on performance, click here, complete édude Pentium M on the site X86 secret.
* The term "chipset is a set of 'smart' computer designed to operate together and optimized for it and whose role is to manage the exchange between the main components of the computer (processor, memory, peripherals ... ). The 'chip' is of course fundamental in performance.
A final point to watch: Safety: Laptops are more likely than others to be stolen, or suffer damage due to falls, etc ... You will be even more vigilant about data security, backups and more frequent. In addition, if you think carrying highly confidential data, consider using any encryption software (it is never too careful). You can use gpg is a powerful encryption software and free to choose a Dell kd186 .
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