The kernel plays an essential role, as it manages how your phone, tablet, and PC's hardware and operating system.

For example: Operating system (OS): Without an operating system like Windows or MacOS, a computer is just a collection of hardware components unable to perform any functions.

RAM, or memory, is one of the most important components of your PC, but what is RAM? We explain what RAM does, how much you need, why it's important, and more.