________ errors occur because a formula or function violates correct construction, such as a misspelled function name or illegal use of an operator

The most popular Internet service is ________.

a. e-mail b. watching videos c. using search engines d. downloading music

A user is reporting toner smudging on paper after printing. Which of the following should the technician inspect?

A. Print spooler B. Fuser C. Rollers D. Maintenance kit