วันพุธที่ 22 กุมภาพันธ์ พ.ศ. 2555

There Are Lots of Reasons Why a Desktop Computer Might Be the Best Tool for the Job

In today's technologically inclined world, it is rare to walk into a household that does not yet possess a computer.

We use computers for nearly all things today, such as organising our daily routines, collective networking, data planning, academic work, and much more. Although many people love the ageement features and mobility connected with laptop computers, there are many of us who still consider a desktop computer to be the best choice for use at home.

Best Desktop Computer

Desktops offer can be configured in a collection of ways to suit the space available, and are ideal for home offices as well as businesses. The main advantage of a laptop computer is its size, but whereas desktops bring us many more possibilities when it comes to power and performance, the compromises which will need to be made are now fewer than ever.

One of a desktop's main advantages is in the ease with which its capacity and features can be wide by the addition of the likes of Cd or Dvd drives, many Pci slots, and a bigger hard drive. For someone who will spend long periods of time working at their computer, a desktop holds much more request for retrial than a laptop. It is far easier to lay out the components of a desktop computer so they can be used ergonomically, which makes them much more convenient for using over a long duration than a laptop computer. Additionally, desktops tend to have larger monitors which are easier on the eyes.

As you hunt for your ideal desktop computer, it will soon come to be apparent that desktops are typically more affordable than laptops. As the main focus of a laptop computer is geared colse to how ageement it is, more engineering is needed to fit all the required components into the slight space available. When you consider that, it comes as no surprise that desktops tend to be the more cost-effective options. If you are looking to get your hands on a computer for your home or business environment which will not need to be moved, desktops are the way to go.

Many manufacturers are today production desktop computers with the highest capability of components and the most state-of-the-art features. Desktops also allow a great deal of private customisation of the prominent functions and programs which they use, depending on whether they are to be put to work in a classroom, library, business, or home.

No matter which features ready in desktops are top of your shopping list, there are many extraordinary and affordable options on the shop to select from. One of the best places to begin your hunt for your ideal desktop computer is on the internet. You can derive information, browse makes and models and pinpoint the desktops with the best blend of features for your price range.

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วันจันทร์ที่ 20 กุมภาพันธ์ พ.ศ. 2555

building Your Own Pc - conference The Components

Let's get down to business. The first thing you're going to have to do is open the wallet / purse / reputation card to make some purchases. Then get ready, brew some coffee and let's get started.

Building your own Pc
Step 1: Purchase/Collect the Components

Best Desktop Computer

Often this is the one step that takes the most time and consideration. Which parts do I buy? Which are best?

There are many good places to buy computer parts. Most towns have smaller market that sell and repair computer equipment. These may be an office suite in a strip mall. Regardless of location, such market are often economy and can furnish individual attention. The hardware they sell is often retail packaged from the manufacturer. They may also sell Oem hardware, which commonly comes wrapped in nothing but a static bag and is accompanied with very slight documentation. You will need to be the judge on this type of hardware. If you feel you need the documentation, you should not buy Oem hardware. Also, not to stereotype inevitable businesses, but I have to tell you this so you'll be informed: the smaller mom-and-pop computer market are sometimes a slight more questionable as to their knowledge base. This is not always the case, but since they are a smaller business and don't have the large sale volumes of the larger retail stores, they are often under more pressure to make the sale just to stay solvent. Be aware of this when you walk in. Do your research.

The lowest line here is to know your stuff. The Pc sales industry is occupied by many who Will take benefit of your lack of knowledge to make a sale.

Now, let us go straight through each type of hardware:

Case: Make sure you buy a case which will fit into the space you intend to place it. This is where you settle in the middle of a desktop or a tower case. Allow room for expandability; spare drive bays, ample room to work inside. Make sure it has a power supply. Is the case clean? Pay attention to the form factor: At or Atx. All newer motherboards are using the Atx form factor, so if you have an old case lying around, chances are a new board won't fit in it. If you do a lot of upgrading, you should get a case that is designed with this in mind, such as positively removed motherboard mounting plates, drive racks, etc. Try to have the buttons such as power and reset recessed, so that if you keep the case under the desk you won't accidentally kick the thing and reset it. Also, check the sturdiness of the case. Pay attention to how the case comes apart. Depending on the design, the screw less type is very user friendly.

If you will be running a high-end processor in the case; then pay attention to the cooling aspects of the box. It's nice when cases come with case fans included, but if they do not, you should make sure the case is designed to allow them. You should have an unobstructed air hole in the front of the case for a front-mounted case fan, with some formula of air flow from the rear of the case as well. Many power supplies also aid in cooling by having bottom-mounted fans that suck air from the inside of the case and blow it out the back straight through the power unit. Don't go cheap on your fans either. Fans are your best friend fighting heat. You get what you pay for.

Motherboard: almost everybody knows that the motherboard is the most leading component of your computer. At one point or another, every other component connects to the motherboard. Keep in mind that your motherboard selection controls your future upgrade paths. Want to upgrade you Ram? You first have to check and see what type your motherboard will take, and how much it will support. Want that new video card? Your motherboard will need a Pci express slot. Get the point? If you pick the wrong motherboard in the beginning, you may find yourself having to buy a different one down the road to hold some other upgrade. Today's motherboards are a lot more sophisticated than the one's in the 486 days. Some boards go all the way, gift built on Scsi or Sata controllers, 10/100/1000 Ethernet support, onboard video and sound, etc. Buying a motherboard is a tradeoff - you need to know what you want and then pick that board which has the best aggregate of features for you. Bear in mind the old adage - sometimes it is best to buy what you will finally end up with anyway.

There are positively three levels of motherboards. Of procedure this is a generalization, but it's definite enough.

o Bare-bone boards. These are the types of boards you commonly get if you are not into Pc hardware and don't want to deal with frustrations. You just want to build it and turn it on. These boards have built in sound and video, and sometimes other features too. They don't commonly over clock well and don't have a wide range of Cpu support. These boards are comparatively inexpensive. Many times, pre-built Pcs come with these types of boards, and this is one of the reasons you should be following this tutorial. If you're going to bother building your own Pc, get a board that's worth your time. This isn't it.

Secondly, we have the level of board most commonly used. These boards come with a single Cpu slot, Eide or Sata controller, etc. Most don't have built in video, although more of them have built-in sound. This is fine, as long as it is positively disabled. They hold a wide range of processors, and with more voltage and multiplier settings, they are more over clocking friendly. Some of these boards offer Raid capability. With the proper whole of Pci slots, these boards are great.

Thirdly, you have the best which most of us cannot afford. These are the dual processor boards, often with built on Nic, Sata, Scsi, a bunch load of Pci slots. Pci slots are a necessity because if you add additional cards to your theory most of them will be Pci cards.

Some things you want to bear in mind:

o Board Layout: A lot of citizen don't think where all is located on the motherboard, but it is important. Is there a big capacitor right near the Cpu slot, blocking where your Cpu fan will go? Is there a bunch of crap that will block your full-length Pci card from fitting? Are the memory slows in a position where you'd need to take off the floppy drive to get at I them? You need to know almost what you will be plugging into this board and know if anyone will get in the way. This also depends to a degree on the size of the case you are using. Trying to cram a larger board, like an Asus or Gigabyte board, into a mini-tower is request for trouble.

o Slots - If we had our way, we'd have a motherboard with 20 Pci slots so we could run all in the world. Unfortunately, this doesn't exist. So, you need to pay attention to how many Pci slots a motherboard has. For most of us the approved 3 to 5 Pci slots will be fine. Be careful, you can positively fill all your slots. Make sure the board has an Agp or Pci Express slot for video card upgrades.

o Manuals - Believe me, you'll regret it if you don't think ahead and get a board with a good manual. If you purchase a no-name board, you'll probably get stuck with a by hand that was written in Taiwanese or English you think a third grader would write. A lot of times, you'll find a pile of addendums added to the manual. They couldn't get it right the first time?! Make sure to look at the by hand for your board and make sure you can understand it. Another thing to keep in mind is that the best known manufacturers often have nice web sites, and you can get hold info there, too. If you don't know who the maker is, or their website is utterly useless, think twice about using the board.

o Form Factor - Unless you would die without that older server case you are using, I would advise going with the Atx 24 form factor. Atx 24 integrates all of the connectors, whereas with Atx, you have to plug all of that crap in. The chipset is the hub of your motherboard. You need to pay strong attention to what chipset a motherboard has before you purchase it. The chipset is fully responsible for what hardware your motherboard will hold now and in the future. It controls everything. If your motherboard won't hold Sata, Raid,Pci Sli etc. Blame the chipset. There are many chipsets out there, and this tutorial is not the place to address them all. But, doing your study on this site and others, as well as observing the specs of the chipset itself before you buy it, will be beneficial.

o Hardware hold - This one is positively a no-brainer, but bears mentioning anyway due to its inevitable importance. Pay attention to the specs to make sure that the board will hold the hardware you would like to use. If possible, allow room for expandability beyond what you will be using as this will ensure you can use the board for awhile. If there are embedded components such as sound or video, this is fine as long we you are able to disable it easily. Unless you like all-in-one, you'll find you want to finally put something best in there and you don't want it conflicting with the built-in components. Onboard features should be able to be disabled in the Bios.

o Reviews - Finally, before purchasing any motherboard, find out what others think of it.

Processor: Processors come in three basic levels:

o Low End - This group is made up of the citizen that may be starting just starting their own business, and need a computer to print letters, invoices, and other business connected things. Most approved business software will run just fine on these processors. Here, we are talking about anyone from 800Mhz to 2Ghz processors. This can comprise the Pentium processors, Pentium 3's, Amd A slot.

o Average - This group of processors encompasses the bulk of the chips being sold right now. These processors zip at business software, but, depending on the speed and other things, also zip reasonably well at image editing or gaming. These comprise the Pentium 4's and the Amd Athlons, and most processors fluctuating from the 2Ghz range up to over 3 gigahertz.

o High End - This group is the commonly the business that's very competitive, on the leading edge of profitability, needs a high end processor for Cad, or just has a lot of money to burn. If you're in this group, you should be finding at Intel Pentium 4 Duo processors, or an Amd Fx, X2 Dual core processor fluctuating upwards of 3 Ghz. These processors are the top of the line. These have the most onboard memory, and they are the best at crunching numbers that are needed for Cad and other Cpu oppressive programs.

Which Cpu you need for a new theory is a matter of personal choice. And, on this note, keep in mind that all processors need cooling. Most retail-boxed processors come with fans included or already attached. But, if not, or if you're getting an Oem processor, make sure to get a good fan. Make sure the fan is of the ball bearing variety and not one of those cheap sleeve bearing fans. Make sure it is rated for your processor, as some fans look fine when you look at them, but wouldn't help a high speed processor do anyone but bake itself to death. Also, and this is not commonly an issue, it is nice when the fan gets it power from the Cpu_Fan power 3-pin plug on the motherboard rather than take up a plug from your power supply.

Memory: Memory is a big part of your machine, so get the good stuff. A lot of citizen get positively confused when it comes to memory, and it's positively not necessary. Some memory manufacturers will help you find compatible memory for your motherboard on their websites. One such business is Crucial Technology. In most cases, approved non-parity, non-Ecc memory will work just fine. Most boards today are still using Ddr or Ddr2, although Ddr-Dram has positively caught on and is a lot faster. In short, though, memory is not a huge issue, just buy what your motherboard requires. Read your by hand or read up on the motherboard industry web site. And, with today's prices, buy lots of it. Operating systems themselves wish large amounts of memory. Windows Xp Home's bare minimum requirement is 128Mb of Ram and . Windows Xp Pro's bare minimum requirement is 256Mb of Ram. So, give yourself ample breathing room and don't try to save a few measly bucks by skimping on the memory.

Video Card: There are just tons of video cards out there to pick from, all saying they're the best and sporting snazzy graphics on the boxes to grab your attention in the store. Let me give you some general pointers: Where it used to be we all used 32 Mb cards and view you were a gaming nerd if using a 64Mb card, all graphics cards today have a lot more- commonly 128Mb or higher. Get it. It won't cost that much. Likewise, Pci Express is now the new standard, so unless you're using a relic motherboard without an Agp slot, get an Pci Express video card. As for power, think what you'll be doing with the Pc. If you're doing mostly business and internet and the occasional game, then you don't need a super-duper gaming card. A card with decent 3D and good 2D power is best for you. Most video cards on the market today are pretty decent at 3D and kick-butt at 2D. Watch the reviews to get viewpoints on different manufacturers. Some cards come with Tv-out channels, video-in, or even Tv tuners. These is great stuff, and if you can afford it, go for it. I would say, in general, though, that do-everything cards commonly sell out doing tweaks, so if you're trying to build an all-around kick-butt theory here that pumps pixels so hard you'll drool, get a card that does that with authority and don't worry about the Tv.

Removable Storage: All Pc's have some form of detachable storage, even if it's only a floppy disk drive. In the case of a floppy, there's positively nothing much to know about them. Just buy one that looks alright and works. A lot of Pcs now boast more industrialized media such as Zip drives or maybe an Ls-120. These can be useful, given that 1.44Mb for a floppy is positively barely anything. Plus, they are slow. Beyond these drives, though, the Multi Format-Rw drives are the real craze right now...and for good reason. If you want a drive where you can achieve backups and share data with friends without positively worrying about capacity issues, spend in a Multi Format-Rw burner.

Hard Drive: Make sure it looks good. always buy new, in my opinion. And make sure it has a manual, or at the very least, a jumper diagram imprinted on the drive itself. For price and compatibility, With Ide, though, make sure the drive is Udma. Most likely, your motherboard supports Ata-33,66 or 100. Get a drive with a decent rotation speed. 5400 Rpm drives are slow. 7200 Rpm is better, and higher Rpm drives even better. The positively fast drives, though, may wish a hard drive cooler, so unless you are willing to mess with that, get a drive with a good balance of speed and temperature. Also, get the largest drive you can afford. You'll be surprised how fast you can fill up a hard drive, depending on what you do with your Pc. Large volume drives are dirt cheap now so buy big.

Sound Card: An absolute necessity in today's Pc world. There are tons of available cards out there, but I advise the name brand again. I've tried some of the various economy clones and had my share of driver issues with them. Read the reviews, as there are a lot of sound cards out there with special features. Some cards boast special sound algorithms that are supposed to enhance the sound. Some of these suck, but others positively enhance the sound. Some cards, like the upper-end Creative Labs cards, have extensions with all sorts of inputs and things that attach to the sound card and develop the capabilities. These are not commonly leading unless you're into sound mixing or audio-video editing. Make sure the card has 7.1 surround, because this positively makes the Pc sound great if you have sufficient speakers.

Cd-Rom/Dvd: Make sure it has a driver facility disk (almost all retail units do). You will need to get this drive working so that you can setup the operating system. These drives are very inexpensive now, get a fast one: 56X is standard. Make sure it is Atapi compatible Ide. Some drives look like Ide drives, although they positively use a rights interface, such as that used on some older Creative multimedia kits. If you're buying new, you won't find this in the market anymore, so don't worry. If you want more than a simple Cd-Rom, get yourself a Dvd player. These drives are not much more than a regular Cd-Rom and are backward-compatible with Cd-Roms, so they serve both purposes. Then, with a good Dvd software player like PowerDvd or WinDvd you can watch movies or use Dvd software on your Pc.

Keyboard & Mouse: Rather self-explanatory. Make sure the keyboard connector fits into the plug on the motherboard, otherwise you may need an adapter. Most new boards use a Ps/2 connector for the keyboard. Make sure the mouse works. And pick the right kind for your system: serial or Ps/2.

Drive cables: Make sure you have all cables for connecting the hard drive, floppy drive, and Cd-Rom to the I/O on the motherboard or I/O card. These cables commonly are supplied with the motherboard or drive itself, but not always, and sometimes not in the quantity you need. Make sure they are long enough. survey for damage, such as ripped wires or something. Also, keep in mind that Ata/66-100 drives must have an 80-wire Ide cable. It's the same width as the norm, but each wire is thinner, so they cram more wires into the cable. If you're paying special attention to cooling issues, you may pick to get rounded data cables. These are nice as they tidy up the inside of your case and allow cleaner air flow than would a case crammed with a bunch of wide, gray ribbon cables that often get in the way. The newer drives have started manufacturing rounded cables as seen approved with the Sata drive cables.

Audio Cable: commonly supplied with the optic drive, it connects your optic drive to your sound card directly.

Screws:
Make sure you have sufficient screws. commonly an ample whole is supplied with your case. Make sure the screws are the right size. There are different sizes used for connecting cards than for connecting drives, and if you try using a large screw on the drive, you'll crack the drive.

System Load Disk: Make sure you have a theory load disk. This would be the Microsoft Windows Xp Home, Pro, Vista, or Linux: Red hat, Ubuntu, Ect. There are many more operating systems so please keep an open mind and do the research.

That was a brief summary of the hardware scene for you and hopefully it serves as some advice for collecting parts to build your Pc. There is no way we can cover all brands or make any solid recommendations as to maker in this tutorial, so much of that study would need to be done separately.

Keep an eye open for the next part of this tutorial advent soon.

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วันเสาร์ที่ 18 กุมภาพันธ์ พ.ศ. 2555

Cheap Laptops - making mobile Computing Affordable to everybody

A laptop computer or plainly a laptop is a small mobile computer that commonly weighs from 1 to 8 kilograms. It commonly runs on a singular main battery that can also be connected to an external Ac/Dc connector. A laptop has miniaturised components that have been optimised for mobile use and efficient power consumption. A laptop can generally achieve all the tasks that a desktop computer can do, but they are typically more expensive than a desktop computer.

Many laptops come equipped with a 3 volts battery that will keep the gadget running for quite some time in case of a power failure so that the user can unblemished his urgent tasks quickly. Laptops commonly have liquid crystal displays (Lcds) and most of them use different memory modules to way their random way memory (Ram). They have a built-in keyboard and many of them come equipped with a touch-pad. A pointing stick or an external mouse can also be attached to the device. These days, commerce have released some new models of cheap laptops into the markets.

Best Desktop Computer

These cheap laptops are a big hit among the masses. Earlier, only high profile company habitancy or executives could afford to buy a laptop. But one can see habitancy bargaining for best price laptops at retailers in the markets these days. Thanks to the high competition in the mobile computing market, manufacturers are rolling out a new model of cost efficient laptop every now and then.

Gone are the days when only high profile company habitancy and executives could afford to buy a laptop. Now, some models of cheap laptops are available in the markets. Retailers across the Uk have come up with many bright cheapest laptop deals. These deals have made it possible for students, youngsters and housewives to own a laptop of their choice. The prices of laptops are bound to fall further in near future.

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วันอาทิตย์ที่ 12 กุมภาพันธ์ พ.ศ. 2555

Sun's Offerings in High performance Computing

Compared to Intel or Amd, Sun Microsystems has traditionally focused more on high-end, high-powered servers and supercomputers than on desktop home computers. It should come as no surprise, then, that Sun produces some of the most industrialized High-performance computing (Hpc) systems available. In fact, they offer not just one, but any distinct types of Hpc solutions for distinct computing needs.

High execution computing uses whether supercomputers or computer clusters to solve industrialized problems requiring millions of calculations. Although it is most generally connected with scientific research, recently high execution computing has been increasingly applied to firm uses such as data warehousing, transaction processing and line-of-business (Lob) applications.

Best Desktop Computer

Sun's most superior Hpc ideas is currently the Sun Constellation System, which was introduced in 2007. In consists of any distinct hardware and software components. At its heart lies the Sun Fire X4500 data server, which combines server and storehouse functions. It contains two dual-core processors and an predicted forty-eight 1000 Gb Sata drives, for a total of 48 terabytes of storage. It also uses the Sun StorageTek 5800 ideas for its data archive for clients to store large amounts of digital information, such as curative information, digitized historical records, or rich media. It uses a customer-definable metadata index to tag, search, and retrieve information. At the lowest hardware level lies one or more Sun Blade systems, which are essentially just interface terminals for users to interact with the system.

The Constellation ideas runs on whether OpenSolaris or Linux. It also makes use of the Sun Grid Engine, a workload scheduler for computer clusters and server farms. On the corporeal level, it manages and schedules the funds of hardware resources such as processors, memory, and hard disk space. On the software level, it coordinates the scheduling, dispatching, and managing of large numbers of standalone, parallel, or interactive user jobs. The Sun Grid is also offered as a service purchasable separately from the Sun Constellation System.

Sun offers other high execution computing system, the Sun Modular Datacenter. Although perhaps not as superior as the Sun Constellation System, is much more flexible. The Modular Datacenter (Md) is essentially a movable server farm. It is built into a accepted 20-foot shipping container, and therefore can be movable to any location in the world straight through existing communication networks. It is ideal for locations that lack the infrastructure to reserve a server farm or in situations where a data center is needed in a location only temporarily, and the customer wants to avoid having to collect or construct a building to house one. Upon arrival, a 280-server data center can be fast deployed and made operational for 1/100th of the cost of constructing a customary data center building. The only drawback is that an external chiller is required to operate the Modular Datacenter.

Considering that many of Sun's products are already in use in any of the top 500 supercomputer systems (including the fourth fastest supercomputer computer in the world), it's fairly positive that Hpc solutions is one of the things that Sun does best. While other companies can only offer one or two such solutions (if they have any at all), Sun Microsystems has any systems for customers to pick from.

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วันพุธที่ 8 กุมภาพันธ์ พ.ศ. 2555

Computer Memory - What You Should Know Before Buying

As technology advances, it gets more difficult to frame out what the best computer memory is to pick for oneself. Not long ago a gigabyte of ram would be adequate to run any application. Even an early Bill Gates stated that, "640k is all any computer user will need"( which is about half a megabyte). Good thing we have progressed. So, lets dive into the basics of what computer memory is and which memory to buy in today's market. If you are seeing for a more developed memory guide, read my article on Memory Modules and Descriptions.

What is Computer Memory?

Best Desktop Computer

The first place to start is to identify the disagreement between warehouse and memory, which is often confused. The term memory correlates to the amount of Ram(random entrance memory) installed and warehouse correlates to the capacity of your computers hard drive. Both store information, but Ram shop temporary data that the Cpu(central processing unit) can entrance quickly. When loading an application the information is transferred from the hard drive to the Ram for faster loading times. Does it seem your computer doesn't entrance information quickly? You have probably seen an annoying pop-up at the lowest right hand projection of your computer screen that says virtual memory too low. When the memory of your computer is full, space on your hard drive is made for the excess data that needs to be accessed at a slower speed. If this is happening on a quarterly basis then its time to upgrade your memory or add to your existing.

Ram and Ssd

There have been many improvements in the Hdd class as well as Ram. Memory for now will always be faster, but the latest Ssd(solid state drive) will probably replace hard disk drives in the future. If you have an old hard drive and upgrade your ideas memory you will still see slow boot-ups and setup times. The hard drive will be the bottleneck of your performance, so why upgrade to a new solid state drive? Ssds are silent, comprise no absorbing parts, and have lower latency and entrance times compared to most hard drives. Solid state drives use Nand-based flash memory, which even retains memory without power. The only drawback is that the cost per gigabyte is high-priced right now.

Choosing the Right Upgrade

When seeing at a buying new memory for your computer, your upgrades should be to Ddr2 or Ddr3. The most prominent part when purchasing name brand memory modules is checking compatibility with your motherboard. Using Cpu-Z or ideas Bios will give you information to decree if a new motherboard is needed before you upgrade. After verifying that all is compatible, its time to buy. Key things to notice are that most quality desktop memory comes with heat-spreaders which will help dissipate the heat that your memory generates. Another thing is you want to make sure you correlate memory module specs and prices(including memory size). The majority of websites you can buy from will have reviews on definite products to help make that decision easier. To this day I still read reviews from owners that have good feedback. The next article I write will be on avoiding coarse facility mistakes and what to do if your memory doesn't function correctly when installed.

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วันจันทร์ที่ 6 กุมภาพันธ์ พ.ศ. 2555

How to Buy a Laptop / Notebook Computer

You want to buy a laptop do you? And seeing at the vast option ready you are confused.....not to worry....heres some advice.

Before I go into details, a quick recap of processors is essential. Be aware that it is the processor (cpu) that governs the price of the laptop (along with the screen size). The two major fellowships manufacturing Cpus are Intel and Amd (there's Apple too but lets stick to mainstream laptops). Intel makes the famed line of Pentium processors (''Intel inside'' ting tong ting tong!). For laptops you have three main cpus ready - mobile Pentium 4 (basically a desktop P4 processor), Pentium M (low voltage cpus which improve battery life and are specially built for laptops) and the mobile Celeron processor (poor man's P4 cpu). Wait a minute, you say, you didnt mention the Centrino processor. That's because Centrino is not a processor - it's a technology. Centrino is a combination of 3 things - Pentium M cpu + 855 chipset + Wireless Pro (802.11b). The other firm is Amd - they make surely good cpus that rival Intel's cpus. Traditionally Amd cpus have had heat generation problems but lately there aren't many complaints. I would advice you to stick to Intel processors which have good re-sale value.

Best Desktop Computer

The next Q is....what will you use the laptop for? Are you going to use it for uncomplicated stuff - spreadsheets/word processing / internet browsing? Then go in for a Celeron Cpu. If you are going to do more serious computing, intend travelling frequently and want to run the laptop on its battery, go in for a Pentium M laptop. If you need wireless entrance go in for a Centrino laptop or a Pentium M laptop (u can add wireless technology using a pcmcia card). If you aren't going to move the laptop nearby much or you want a laptop for games, get a mobile P4 laptop. But be aware that a mobile P4 laptop is a desktop transfer - it will be heavy and will run hot.

Now that you have the Cpu decided, think about the size of the screen. 15'' is today's ''sweet spot''. But you do get smaller or bigger screens. Choose the size that fits your budget. 14'' or less is a bit too small these days unless of procedure you want a ultra transported (read expensive) laptop. For gamers, the bigger the screen the more fun they will have. Bigger screens are also good for spreadsheet warriors and Dtp professionals.

The next item on your list is Ram (temporary memory). Most laptops come with Windows Xp which needs at least 256 mb ram to run happily. I urge you to upgrade to 512 ram for best results. The more Ram you have, the best your laptop will behave. It is said that addition your Ram is the best and cheapest way of improving carrying out of any computer (i.e. Without changing the motherboard/cpu).

Another thing to look at is the graphics memory. You can either Choose dedicated video memory or shared architecture. Dedicated memory means that your video card has its own memory and does not have to ''beg'' for memory from the system memory (Ram). A rule of the thumb - dedicated memory = fast performance. Gamers and Dtp guys must insist on dedicated memory. Good illustrated chips are Ati Mobility Radeon or Nvidia GeForce. The more video memory you have, the best it is. Try to get a laptop with at least 32 mb video memory. Most laptops use shared architecture these days which is a cost cutting portion (an example of shared architecture is Intel's greatest graphics). If you are not going to play serious 3D games or run heavy duty illustrated programmes, shared architecture will be just fine. But make sure that you have enough system Ram (read 512) because the video memory is going to steal part of your Ram.

The hard drive capacity will be in the region of 30 gb and above. Get the maximum bang for your buck - don't fall into the ''I'll never need that much capacity'' rut. You will need all the hard drive space you are given so get the biggest capacity you can afford. For normal laptop users 40 gb is sufficient. You can surely growth hard drive space by buying an external Usb 2.0 hard drive.

Battery life is very leading for road warriors. Expect 3-5 hours battery life from most laptops. mobile P4 laptop batteries will last much less. Always go in for a lithium ion battery as against a nickel hydride one.

Most laptops offer visual drives - the best value for money today is Dvd-Rom + Cd-Rw drive. This means that you can read Dvds and read/write Cds. If you have lots of money to spend, get a laptop with a rewritable Dvd drive.

Sound potential on laptops is just about standard for movies/songs/games - you cant go wrong with Harmon Kardon / Altec Lansing speakers.

One leading factor to reconsider is weight. You don't want a dislocated shoulder do you? So ....the lighter the laptop, the best it is for your health! The catch is that the lighter the laptop, the more high-priced it is going to be. Don't forget the Ac adapter - some laptops have huge adapters which weigh a ton!

Don't ignore a floppy drive - most laptops don't have floppy drives any more. But don't worry - Usb external floppy drives are cheap. Ask the salesman to give you one for free; he will oblige you if he wants to make the sale. While you are at it, ask him for a free laptop bag as well.

Get a laptop with lots of Usb ports which will come in handy and will improve the versatility of your laptop. Make sure that the Usb ports are Usb 2 (technology which is much faster than the old Usb 1.0). An external Usb mouse is a must as the inbuilt pointing devices are surely painful to use.

All laptops come with built in modems and regularly have Lan connectivity. Some laptops offer card slots where you can read/write to memory cards (as used in cameras).

Most laptop fellowships offer minimum software - Windows Xp and basic stuff. They won't even give you office software. You will have to add more software yourself. To keep prices down, some fellowships offer Linux operating systems - unless you are seriously strapped for cash, I would advice you to stick to windows. As soon as you get your new laptop, make copies of the saving Cds and store the traditional Cds safely. Carry the copies with you when travelling extensively.

Now, armed with the above knowledge dive into the market and Choose the best laptop you can afford. Compaq and Toshiba make excellent laptops so check them out first. Compaq is ordinarily economy than Toshiba. I used a Compaq laptop initially but later on moved to Toshiba as I found their laptops better. This is a personal option so don't read too much into it. Compaq and Toshiba are well established in most countries so repairs are not a problem. Find out where the nearest repair centre is and keep that information handy.

A laptop is regularly a long term buy - forget about upgrading laptops. So Choose carefully. Check the warranty - National and International. Remember that some fellowships will not honour your International warranty and will tell you to take the laptop back to the country where you bought it! Make sure you explicate this point before you buy the laptop.

Take good care of your laptop. Spend in a surge protector. Don't move the laptop when it is switched on. And remember the golden rule - Never drink tea/coffee while working on a laptop!

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วันศุกร์ที่ 3 กุมภาพันธ์ พ.ศ. 2555

Best Home Desktop Computer - How to pick the Right One For Your Needs

Choosing the best home desktop computer can be a exiguous unnerving, especially if you have never bought or owned a computer. What should you look for? To be honest, the best home desktop computer depends on your wants and needs in the computer, and also what exactly you'll be doing with the computer.

The all-around best desktop computer will consist of the best components such as loads of hard disk space, lots of memory, a great graphics card, etc. However, in your case, you may not need one or more of these components.

Best Desktop Computer

Think About How You Will Use the Computer

What will you be doing on the computer? Surfing the net and checking email are two very tasteless tasks performed on a computer, and sometimes they are the only tasks. If these are the only things you plan on doing with your new computer, reconsider finding at options that don't make a dent in your wallet. There's no need in spending ,500 on a desktop computer if you will naturally be using the Internet. In this case, that number of money is quite a waste when you could be performing those same tasks on a much more affordable computer. If you plan on playing games and using bulky software such as Adobe products or video editing software, a computer with more industrialized specs is probably the great route to take.

Buying Name Brand

When population purchase products, they tend to lean more towards the more favorite and trusted brands. In this single case, purchasing name brand hardware and software is very crucial. Name brand computer hardware manufacturers such as Asus or Western Digital furnish far more durable products and in the end, you will get more use out of them. It's great to spend the extra few dollars for the best desktop computer for your needs than to cut corners and be disappointed later.

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