When you purchase a home computer, it will typically come with all the computer hardware you need to have it running smoothly. This means processors to run your applications and memory to store those programs as well.

In many cases you'll need to purchase additional computer hardware to support additional uses and programs for your computer. Sometimes this hardware will be included with software applications or additional equipment, for example, when you purchase a new printer it will typically have a CD that you use to install the driver in order for the printer to interact with your computer. In other cases you may want additional computer hardware you need to purchase separately, such as an additional DVD player or gaming devices.

Trying to decide the right computer hardware for yourself can be difficult if you're not much of a techie and it's easy to get overwhelmed. Here are some quick tips to help you decide on what's best for you; remember that it's always best to get technical support if you're not sure of what you can and should purchase for your model.

Know your own equipment now.

How much memory do you have now and how many programs are running with that memory? How fast is your processor? You need to understand these basics in order to understand the computer hardware your model can support. This is like wanting to hook up a trailer to your car; you need to know how much extra weight your car can support before you do this.

Basic information about your model is available on your computer, or you can check with a tech that installs computer hardware in order to find out how much memory you have left over and how fast your processor runs. You can then compare this information to the information about the computer hardware you're looking to purchase and install so you know your model will support it.

Understand how it works.

You don't need to be a techie to have some basic understanding of how new computer hardware works and to know how it will fit your current model and your current needs. As an example, you may want a new DVD player for your model to watch movies and videos, but is your screen going to support the high definition as well? You need to understand that the player you purchase and the screen you have are two different things before you purchase this computer hardware.

This is true of all the computer hardware you choose; you need to know if it will be compatible with your model and if all the components of your computer will support it. A great sound card won't mean better sound if you have cheap speakers. Always ask the techs at any store you shop for help when choosing computer hardware and listen to their advice. This will mean choosing the right programs and accessories that will work as you imagine for your model.