Computer buyers now have many more options for purchasing personal computing devices, including the Microsoft Surface tablet. (Nigel Treblin/Getty Images) Forget about the gigahertz. Don’t worry about ...

Ever notice how there are a lot of acronyms for computer stuff? API, BIOS, CPU, DOS (not to be confused with DoS), DRAM, GPU, HDD, RAM, ROM, and a whole lot more... It can get downright overwhelming.

Can you guess what devices are in the images below? The images come in pairs. The first will be a close up. Try to guess what you are looking at before scrolling down to the next one, which will show ...