Buying A Desktop-Important Things To Consider

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Buying a Desktop-Important Things To Consider

What do you need to consider when buying a desktop? There are many things to consider, but it depends if you're in business, engaging in gaming, or need a computer for basic computing tasks.

Power Supply

Your power supply supplies the electrical power to your system-which includes every component and peripheral you put on your computer. Here are the usage of some of the components. For example:

hard drive - adds 25 watts usage
CD Drive - adds 20 watts

So what happens is you do not have adequate power to your system? It will be running at peak capacity all the time. This is not a good thing. Why? It can cause data corruption, random crashes, and eventually complete power failure. So how much should you consider? It depends upon your situation. For example:

250 to 300 watts is adequate for normal use.
500+ for road warrior type of work or gaming (for all the heavy duty use in gaming 500 is only adequate should go higher)

Note: If you're thinking about upgrading your power supply you will need to consider the following:
1.Must be compatible with system
2.What peripherals you have and may buy in the future
3.Purpose of computer

Warning: A power supply carries an electrical charge. Even after disconnecting the power supply it can still hold a charge for up to a week. You need to bleed the power supply of it's electrical charge before removing it. Translated: Enlist the service of someone that is knowledgeable about electricity and computers when removing and adding a new power supply.

Processor Speed

The processor gives you the speed you need to run applications, load images and download images.

Thus, the higher the bandwidth and clock speed and the greater the number of cores you have, the higher the performance level of your computer.

Quad processors - Gives you strong multitasking power. Gives you the power if gaming or need it for multimedia use. Examples: AMD Phenom,

Core 2 Duo processors - Capable of running business applications while handling background programs-most notably your Norton Anti-virus software. Examples: Intel Core Duo Processor

Dual Core Processor - Power to multitask with common applications and large files. Example: Pentium Dual-Core

Celeron and AMD Sempron - Cost-effective for basic business computing tasks.

Memory and your Operating System

Memory is important-it is the ram that allows you to work with more open program files without your system crashing. (Ram-the temporary storage place of data that flows from your computer and processor. It is lost when you shut down your computer).

Operating system - How much memory does your operating system need to run efficiently? It depends upon the system you want to use:

XP Professional - 512 MB memory
Vista - 1 Gig of memory
Vista Home - 512 MB memory
Windows Vista - 2 gig
Vista Premium - 1 Gig

Most are still skittish about Vista because of the newness and look to XP. If you go with Vista, then seriously look to 2 Gig of Ram, a dual processor and as much memory as you can afford for best performance.

Hard Drive

Your hard-drive has to be large enough to store your operating system, applications, and the additional files that you add to your computer. It is said that many applications can take up to 1 GB of space, while your operating system can take up to 10 GB. And folks, operating systems are not getting smaller.

Tip: If your hard drive is half full, you will find that your computer will run slowly, and it may be time to start saving your money for a bigger hard drive.

Monitor

If you buy a new computer system in many cases the monitor is included in the price. Monitors come in different sizes. For example Dell have monitors from 17" on up.

Other things To consider

1) Graphics card- graphics cards are also dependent on need and the money you can afford to pay. As to be expected the higher the cost, higher the quality.
2) Optical Drives-DVDs and CD drives
3) USB ports - the more the better
4) Available memory slots-to expand ram memory if needed
5) Front USB ports - nice to have
6) Audio
7) Speakers - does the unit have internal speakers or will you need to purchases speakers
8) Secondary Storage for backup of main drive
9) Floppy or media reader
10) Modem/wireless capabilities