There are many different components that make up a PC. Each component is design to contribute to the function of the PC in a different matter. For example the Mother board is the main circuit board of the pc. It's sword of a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives. It also holds the expansion cards that control the video and audio, and connections to your computer's ports like the USB ports. The motherboard can also connect directly or indirectly to every part of the computer.
Another component of the PC is the Processor also known as the CPU. The CPU can also be consider the brain of the computer and can be located inside the computer case on the motherboard. The purpose of the CPU is to carry out commands. For Example when you press a key, click the mouse, or start an application, you're sending instructions to the CPU.
The memory on the PC aka RAM is the system short-term memory. Whenever the PC is shut off the temporary data that was stored disappears. If you ever need something to stay on the computer than you would save it, but when you do that it’s saved to something called the hard drive. The hard drive of the PC is the long term memory of the PC. The hard drive is where the PC software is found also.
To start anything you need a source of power. Well on a PC it’s the Power supply that gets the PC going. The power takes the power from the wall outlet to the type of power needed by the computer. Then it will send the power through cables to the motherboard and other components.
On older PCs and even on some rare occasion you may see a floppy drive. With the rapid expansion of technology we really don’t use floppy disk anymore, but if you need to than the drive is where the floppy disk would go and the floppy drive was a piece of computer hardware that read data from, and wrote data to, a floppy disk.
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