Does your operating system run from a disk? Congratulations, you have a disk operating system, also known as DOS. Are you playing your videos on a system you h

Does your operating system run from a disk? Congratulations, you have a disk operating system, also known as DOS. Are you playing your videos on a system you have at home? Congratulations, you have a video home system, also known as VHS. Did your machine ever automatically tell you something? Whoops, looks like you are connecting from an ATM. (Sorry, I'll show myself out for this last one.)