A PC upgrade can sometimes involve several computer hardware even if you only intend to replace one component. This can hold true when you are replacing your average processor and video card with high-end versions. In these instances, you may need to upgrade your power supply unit too.

There is a certain stigma against integrated graphics and low-end video cards. Computer businesses will always try to win consumers over with the fastest computer hardware and the latest computer components. Consequently, many computer users are misled to believe that they need a high-end video card to do common tasks such as watching movies and performing slight photo touch-ups.

Completely draining your laptop battery before recharging it is no longer necessary with today’s lithium-ion batteries. The PC myth that laptop batteries have to be fully discharged before you recharge them stems from the “memory effect” phenomenon which plagued the old nickel cadmium (NiCad) laptop batteries.

A computer video card is an expansion card that permits a computer monitor to display images, pictures and other graphics. It is one the many computer hardware necessary for a computer to function properly. The computer video card is also known as a graphics accelerator card, display adapter or graphics card.

Overclocking is the act of running a piece of computer hardware beyond its designed specifications. This is done by increasing the clock rate of the computer hardware. PC enthusiasts and hardcore PC gamers overclock their components to transform a mediocre computer into a fast one. In many instances, already fast computers are overclocked to yield incredibly powerful machines.

Your internal computer components are very sensitive. If powered with strong, unregulated current, they can easily get damaged. Thus, you should choose your power supply unit carefully when you are building your own computer. The power supply unit, called PSU for short, is the computer hardware that converts raw electrical current from the power line into voltages that are safe for your internal computer components. Without a PSU, your internal computer components will get fried in no time.

Compact discs (CDs) revolutionized the music industry when they came out in 1980. Further research revealed that CDs can be used to store more than just music files. They were also capable of storing other digital files and programs. Thus, the concept of a CD-ROM was born. Several years later, technological improvements on computer hardware gave us the ability to burn files onto a CD.

An un-interruptible power supply (UPS) is a very useful computer hardware that provides back up power to your PC during a power outage. You should always connect your computer and other important computer hardware to a UPS all the time. A UPS will give you enough time to save your data and safely shut down your computer if there is a power failure in your area.

If you intend to build your own desktop computer, you should carefully consider the type of computer case that will house your internal computer components. Computer cases come in many shapes and sizes — from cute small form factors (SFFs) to the towering tower PCs.

To build a good computer, however, you need to choose the right computer components. Among the first components that you should consider is the computer motherboard. The motherboard is usually referred to as the “heart” of the computer because it acts as a hub for all your internal components.