Nowadays, computer connections can sometimes be less straightforward than keyboard, mouse, and monitor. With differing standards for different peripherals, ports, and cables, it can sometimes be hard to know what does what when looking at the back of your computer. To help make things a little more clear, the TechnicalRS team has put together a handy reference of common cables and ports on your computer, what they do, and how you can take some first steps in troubleshooting computer issues related to these ports.