@blr: Dilbert's company makes lots of (typically idiotic) hardware gadgets. So Dilbert is probably a low-level software engineer. Makes lots of sense to deal with LF and HF then. The concept of frequencies is otherwise very universial and is used everywhere in engineering.
Exactly. How many times have I slipped and let MOSFET get changed to MISFIT? Of course, I try to add to the vocabulary, but the vocabulary keeps getting reset every time Word crashes, and makes the same corrections unless I go and manually correlate.