Computers are made of different components or parts, collectively known as PC hardware. Some of the main hardware PC units include CPU, mouse, display screen monitor, hard disk, keyboard, CD drive, etc. You can buy a computer from a branded company or purchase an assembled model through a professional computer software person. Many a times, when some parts of a computer get corrupted, you can also buy separate components from any online or offline computer dealers.Likewise computer cabinet pull parts also do include novel items such as scanners, sound cards, internet modems and even digital cameras. But, every computer has individual properties like RAM memory, CPU model details, etc which may vary from other computers.Let us study about some of the most important computer hardware parts:* CPU - This part is the brain of the computer. It is known as Central Processing Unit and works as a processor. The most popular processors are manufactured by Intel popular as the Pentium Chip model. Intel processors are widely used all over the world by most of the computer manufacturing companies.* Mouse - This hardware is essential for desktop models as navigational object, to click on varied options, selecting different objects and accessing necessary information on the computer screen. There are two main buttons in the mouse, to be used to access info. Nowadays, you can find interesting types of mouse in the market such as laser mouse or ball mouse. But, they all serve the same purpose to help access computerised info from the CPU.* Hard Disk - This is a device that helps in storing data. The all-round performance of any computer actually depends on the speed of its hard disk. Higher rotational speed of the hard disk enables fast and high speed performance by that particular computer.* RAM - It is also known as Random Access Memory, which aids in storing of temporary information in the CPU. When you switch off the computer, such temporary info files are erased. The optimum performance of the computer also depends on the size of its RAM.