A computer, at its simplest, is a sophisticated input and outlet machine. But there is only so much it can do. It can't print a document on a piece of paper — there's a dedicated machine for that. A ...

Welcome to Tech Talk, a weekly column about the things we use and how they work. We try to keep it simple here so everyone can understand how and why the gadget in your hand does what it does. Things ...

Information technology (IT) is the use of computer systems or devices to access, store, manage, and protect information. It is a field of expertise that includes a wide range of subfields and ...