An image ____ is a graphic containing one ore more invisible regions called hot spots, which are hyperlinked.

Mathematicians have discovered that many of the spirals that occur in nature use a pattern given in the ____ series.

A. Fibonacci B. Goedel C. Church D. Pythagorean

Which binary signaling technique uses a scheme in which zero voltage represents a 0 bit and the voltage for a 1 bit does not drop back to zero before the end of the bit period?

A. RTZ B. NRZ C. polar NRZ D. polar RTZ