Different components of a pc..
1. Optical disc drive
Optical drives retrieve and/or store data on optical discs like CDs, DVDs, and BDs (Blu-ray discs) which hold much more information than classic portable media options like the floppy disk.
The best motherboard depends on what the computer is used for. If is for graphics, AutoCAD, and other intense application, then you will need a motherboard that will support a high-end graphics cards, CPU and Memory.
3. CPU (Central Processing Unit)
Alternatively referred to as the brain of the computer, processor, central processor, or microprocessor.
4. RAM (random access memory)
Alternatively referred to as main memory, primary memory, or system memory, Random Access Memory (RAM) is a computer storage location that allows information to be stored and accessed quickly from random locations within DRAM on a memory module.
5. Hard drive
Is the computer’s main storage media device that permanently stores all data on the computer.