A(n) ________ report summarizes the performance of critical activities.

A) ad hoc
B) comparative
C) drill-down
D) key indicator

____________________ is the amount of vertical space between lines of text in a document.

Press the ____ key(s) to erase one character to the left of the insertion point.

A) CTRL+HOME
B) DELETE
C) BACKSPACE
D) END

Which of the following is a factor in determining the total scan time?

A) Length of the ladder program
B) Type of instructions executed
C) Speed of the processor
D) All of these choices are correct