Electronics that are used for business and personal computing provide fast processing and loads of memory for running all kinds of programs and applications. Yet not all computers come with the speed and memory that is required to make the most of the desktop computers that are in demand in today's technology driven world. Fortunately desktop computers are expandable, meaning that they can be added to easily. For someone that wants to increase the processing power of their system the internal drives and memory can be improved and magnified through the addition of "sticks" of memory that provide faster and more calculations to be done by the CPU. By adding a 1 GB computer memory "stick" to the mother board a computer is able to process more functions and allow multiple programs to be opened and active at one time.
Because each program requires a certain amount of memory in order to run it is important to have ample memory on hand to manage all of the data that is being processed by the computer. The memory that is used by the computer to "think" is different than the memory that is used by a hard drive to store information. The optical drives that hold data are configured in the hundreds of Gigabytes and even come in Terabytes that hold millions of bits of information on them. The memory cards that are used to process the information allow the computer to find and store information that is used in the moment and then discarded as it is no longer used to support the programs that are running.
In addition to the upgrades of memory that many people install on their computer there are individuals that have a use for internal DVD burners that are also sold aftermarket. Where most new systems have a disc burner included in them at the time they are purchased there are some people that find the need to add a second DVD burner to their desktop computer so that they can burn movies, music and other data from one drive to another without swapping out the disc that is being copied. By searching up the retailers that are selling the upgrades that can easily be installed into the home or office computer people everywhere are finding that they can have the power and memory that they need to make the most of their computer needs. With all of the accessories and add-ons available it is easy to install and upgrade any system that needs a technology boost.