If you need to display a mathematical equation in your Web document, the Web browser will not interpret ‘<' and ‘>' as the beginning and end brackets of an XHTML tag.

Which of the following is a requirement for the columns of the SELECT statements in a UNION?

a. Must have the same number of output columns specified. b. Each corresponding column must have a comparable value. c. Both of these are requirements. d. Neither of these are requirements.

One type of system software is a(n) ____________________ system, which is a set of programs that coordinates all the activities among computer hardware devices.

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