Sometimes an application requests memory but never releases it, a condition called a memory ______.

The radio patrol officer usually cannot receive a message if

a. the microphone switch is "open." b. the microphone switch is "closed." c. the transmitter fuse is blown. d. central dispatch is functioning properly.

A laser is used to write a(n) ______________ image onto the surface of the drum.

Fill in the blank(s) with the appropriate word(s).