Have you noticed that most padlocks have a small hole in the bottom, and we're not talking about the keyhole. Here's why it's there! You might have already come it across it several times without ...

In the mid-1980s to mid-1990s, there were many models with key holes in the case. The reason why you need to lock a PC that doesn't need to have a key inserted like a car and put an engine in it is ...