PC components explained: learn what each part does, their functions, and how CPU, GPU, storage, and cooling impact performance and longevity.

If you own a modern computer, it is probably several times faster than the one that landed the first lunar module on the moon. Modern personal computers consist of many components that work together ...

The classic 5 stages pipeline CPU, each stage can be viewed a "part" of a CPU<BR><BR>- Instruction Fetch (from memory) <BR>- Instruction Decode<BR>- Execute (ALU)<BR>- Access<BR>- Writeback (To memory ...

A computer is a complex machine. While most of it works on a microscopic level, it certainly has recognizable macroscopic components that contribute to its uses. A computer can be used to do just ...

Based on our expert analysis and tests, here are the best PC components and accessories in 2025, from GPUs and CPUs to SSDs and monitors.