Which of the following would NOT be considered a variable expense for a restaurant?

Which of the following connector types are MOST commonly associated with phone jacks?

a) RJ-11 b) ST c) RJ-45 d) SC

________ computers, such as UNIVAC, can be characterized by their use of vacuum tubes to store individual bits of data.

A. First-generation B. Second-generation C. Third-generation D. None of the above