CPU - Central processing unit. Normally people mention their clock rates as 3.3 GHz (that's and example). That's 3.3 gigahertz or 3300 megahertz. A processor is normally used to well process things. It contains things called threads which allow for multiple tasks. Key requirement in programming. If you wish to "Talk" to your CPU directly, look at assembly programming like PEP or something. GPU - Graphical processing units (or graphic cards). Used a lot of rendering objects, particle effects, lighting, etc. The GTX you mentioned is an Nvidia GPU. RAM - Random access memory as it says, it allows for faster access of programmes to increase its performance. Used a lot in games and Video/Sound editing MOBO - motherboard. The mother of all computer parts. Holds everything together and allows the transfer of data between each hardware part. HARD DRIVE - I'm sure you know what that means. SSD - Solid state drive - basically a hard drive on crack since it does not use a disk format. PSU - power supply. Runs everything, but specific voltages/watts are required based on your hardware. Its all confusing at first cause manufacturers have some hyped names for them. If you look to know more, google "Toms Hardware". That site is a gold mine.

A lot of computer parts just have super edgy names. A GTX is a Nvidia graphics card model, also called a GPU (Graphics Processing Unit), which is a processor used usually by games for calculations related specifically for graphics. A good GPU plays a big part in a computer being able to run games on ultra settings. A CPU (Central Processing Unit) does all the computer's arithmetic. Think of it as the brain of the computer. GPUs are essentially there to take a massive chunk of work out of the CPU's hands, so it can focus on other computations.