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Thread: How to choose a desktop and laptop ?

  1. #1
    Join Date
    Oct 2005
    Posts
    792

    How to choose a desktop and laptop ?


    How to choose your laptop?

    The market for laptop is very much alive, updates are frequent and performance are increasing while prices, weight and decrease congestion.

    The key points to choose

    Congestion

    • Transportable
    • Portable
    • Mini portable


    Specifications

    • Processor
    • RAM
    • Storage space
    • Graphics Card
    • Connections


    Screen

    • Size
    • Brilliance


    • Autonomy
    • Operating System
    • Noise and heat
    • Guarantee


    Congestion

    Transportable

    If you do not really need mobility, ie that you do not move without stopping with your machine, you do not work in places unlikely, there is no need to buy a small portable . Choose a model a little more imposing but with a large screen and a large battery is then a good choice in terms of ease of use.

    Portable

    Your computer must be able to follow you everywhere, but you need a minimum of comfort. A screen 15.4 "and just is not so cumbersome. The weight is reasonable and comfortable keyboard.

    Mini portable

    The mini laptops are very small computers. Miniaturization, better still, components used to make powerful computers with less than 1 kg offering all the features you would expect of a PC. You can store these machines in a small bag and use them anywhere. Of interest to a great need for mobility, frequent travel or work anywhere.

    Specifications

    Processor

    This is the heart of the computer. The performance of a machine are greatly conditioned by the performance of the processor. The more you want to run many software and powerful applications using different media more you will need a powerful processor. However, for an office or Internet use, we can afford to choose a processor mid-range. They are indeed powerful enough for a fluid use of the computer.

    RAM

    Also known as RAM, this memory stores data temporarily at their treatment by the processor. More capacity of the RAM is more important processor will prompt access to data that must be addressed. 1 GB of RAM seems to be today a large minimum. Microsoft also recommends 2GB to use Vista effectively. For portable minis can be content with 512 MB since applications will not use too greedy.

    Storage space

    The laptops today have hard drives with a capacity Right Honourable up 200GO. This information is important and should be before buying to determine the storage space that will be required. But the size is not everything and we must take into account the speed of access to stored data. A hard drive running at 7200 rpm minutes will be more powerful than 5400 trs / min. Some computers now offer a flash memory or SDRAM. In contrast to the hard drive, this storage method does not work in mechanical element and is therefore less fragile. However, it is more expensive, does not yet offer a very large (up to about 16 GO) and have a limited duration of use.

    Graphics Card

    It is a key element if you do video games or 3D animation very greedy in this matter. We must not hesitate to take a powerful graphics card because they become obsolete relatively quickly. It is recommended to provide a card with 512 MB RAM dedicated.

    Otherwise, it may be interesting to have a TV out on his laptop but the high-performance graphics card may not be necessary. By the way, minivans and some portable models offer entry-level fair graphics (a chip built into the motherboard) ample.

    Connections

    We must try to consider all uses that one is likely to make his machine and see what will need connections. The firewire particular is increasingly used for its performance (much faster than USB data exchange). Similarly, we should not skimp on your USB ports, always useful (though remember to check whether enough apart to accommodate several peripherals). To watch your films on TV, remember to check the HDMI connector. A multipurpose card reader is also sometimes useful for transferring data from his camera or his cell phone.

    Screen

    Size

    There are laptops with screens ranging from 7 to 17 inches. The screen size depends on the use you want to make your machine. A large screen will pleasantly watch films, work comfortably, or to play. However, congestion will be more important as weight. Instead a small screen at least 12''and allows a machine handy to carry.

    Brilliance

    As for the photos on paper we must choose the matte or gloss. The brilliant promotes watching videos with a reported near a TV. The mat it is certainly less enjoyable to watch but is less sensitive to glare. Again, the choice depends on your usage.

    Autonomy

    It is 2 to 8 hours in office use. It is a key point in choosing a laptop. It is good to know that the more a battery is more efficient it is heavy. We must take this into consideration if you must carry your PC anywhere. It can therefore play on the quality of the battery but also on consumption. There are now low consumption processors that allow machines to operate much longer in total autonomy. Look well data manufacturers (knowing they are a bit optimistic).

    Operating System

    That is certainly the most important. If everyone is accustomed to Microsoft OS, more and more laptops in emerging low cost Linux distribution in order to make savings on licensing Windows. The Linux system is fairly simple to use, but we must still provide for a certain period of adaptation if it is your first trip outside Microsoft. Likewise, all applications are not compatible with Linux.

    Noise and heat

    It is often forgotten these parameters in choosing a laptop. Yet in practice, they are often dominant in terms of ease of use. The computers heat and why they are broken. Sometimes ventilation can be very noisy. Similarly, there are times when some machines heat more than others. Check these parameters before buying is often difficult, especially if you order online. One can nevertheless say that the more one goes up in range least these problems are important.

    Guarantee

    Depending on your level of experience in information technology, it may be interesting or not to sign a contract includes a warranty repair on site or assistance by phone. Generally speaking, we can not change any part on a laptop, take a long warranty therefore seems sensible. Unless you change often to be always the top.

  2. #2
    Join Date
    Oct 2005
    Posts
    792

    How to choose a desktop ?



    How to choose a desktop ?

    Choosing a desktop

    It was believed for some time that the desktop PC would be completely supplanted by the laptop and their performance steadily increasing. Yet low prices and excellent scalability fixed their computers is still today a place of choice in the marketplace. The criteria for choosing a desktop depend largely on the use you book him.

    Office and surf

    It is the base. Your machine will therefore be the word processor, the preparation of documents and surf the Web mainly. You can also use it as a media center to listen to music and watch videos. These uses do not require exceptional performance and you can find machines meeting the criteria from 450$.


    Photos and videos

    If you want to make video or photo retouching, it will choose a configuration a little more efficient in order to have a fluidity of satisfactory execution. "Derusher" of the video or to run software installation or retouch photos application processors of good quality and sufficient RAM and a storage space accordingly.

    Video Games

    It is the most use a huge chunk of technology. Each new game brings its share of changes and if we want to keep performing a minimum of time, we should not hesitate to choose from the outset a high-end configuration. CPU and graphics cards are particularly sought. That said, one can quite did not play in the final configuration very high performance. Suffice it to choose its games and to the impasse on the latest developments.

    Key elements:

    • Motherboard
    • Processor
    • The RAM
    • Hard Drive
    • Graphics Card
    • Sound Card
    • Connections
    • Operating System
    • Putting his PC?


    Motherboard

    As its name suggests it is the central element of the machine. It is on the motherboard that all elements come to connect. To be able to upgrade your PC, it is advisable to choose a card with empty spaces in order to be able to add RAM or other components. For a desktop configuration, there are motherboards with network card or chip integrated video.

    Processor

    The heart of the beast! The processor is the element that makes all calculations. The market is shared between Intel and AMD. There are currently processors with up to 8 hearts ie 8 to 1. However, for the most common uses a double heart amply sufficient. Of course the players and fans of video editing or 3D will appreciate the latest generation processors ultra powerful. The processor is a bit complicated to replace, if you're expert from the assembly to choose a voucher for not having to change it.

    The RAM

    More commonly known as RAM. It allows the processor to operate effectively. No need to have the last processor and RAM insufficient. 2GO are essential for running Windows Vista while 1 GO enough for XP. The more you intend to operate sophisticated software you'll need more RAM. The advantage is that you can easily add more later if needed. In the views of differences price, it is strongly advised to purchase memory brand known (Crucial, Corsair, Gskill, OCZ, Kingston, Transcend, Patriot, etc. ...)

    Hard Drive

    It is the storage space on your computer. To you assess the amount of data you have to be stored. Nevertheless, given the relatively low price, 300GO seem a minimum. The speed of rotation of the disc is also important, the more quickly the disk rotates faster the computer has access to stored data quickly. Currently, the standard is at 54000 trs / min but a disc in 7200 trs / min can be interesting. Note that you can easily increase its storage capacity by adding a new disk or by connecting an external hard drive.

    Graphics Card

    The graphics card is particularly useful for video games that require ever-increasing performance. For video and photo amateur card average range widely enough and a simple graphics chip suitable for office use. Make sure the connectors if you want to watch TV on your computer or to use your computer to play videos on TV.

    Sound Card


    Most sound cards of origin are sufficient for general purposes. An external sound card will be required only for use in home studio (music composition) or a more powerful internal map if you wish to have a sound output to 5.1 (format home theater).

    Connections

    It was never too many USB ports. We must ensure that they are spaced enough to accommodate several peripherals. The Ethernet ports are increasingly used mainly for the acquisition and export of media thanks to their high speed. Beware of video outputs also whether you intend to connect your computer to a screen HD. You will need HDMI.

    Operating System

    Most computers are now sold with Windows Vista. However, you can buy a computer without OS if you already have a license or another XP operating system. Some vendors still sell XP on their machines. Users choose the most experienced perhaps a Linux distribution which has the advantage of being free. Attention, however, it is better to know a little about it.

    Putting his PC?

    The assembly of PC house attracted more and more people. This gives us the exact configuration that you want at a lower cost. However, before embarking, it is better to have a solid knowledge of computers or get help. If you're unsure of yourself, there are many traders who intend to assemble for you a PC with the components you want for a competitive price.

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