This might be of interest and good for discussion!

[whiteastro]

I had to check to find out megahertz and megacycle are the same because I'm not a trained electronic man. LOL

[JesseJamesDallas]

I had to check to find out megahertz and megacycle are the same because I'm not a trained electronic man. LOL

I like this explanation the best:

As nouns the difference between megahertz and megacycle

is that megahertz is a unit equal to one-million cycles per second while megacycle is megahertz.