Digital video uses bits to store color and brightness data for pixels in a video frame.

Which of the following statements about arrays are true?

I. Arrays are groups of variables that all have the same type. II. Elements are located by index III. The length of an array c is determined by the expression c.Length. IV. The zeroth element of array c is specified by c(0). a) I, III, and IV. b) I, II, and IV. c) both III and IV. d) I, II, III, and IV.

The time difference of the arrival of signals as copies travel along different paths is referred to as which of the following?

A. system operating margin B. return loss C. multipath D. delay spread