If you enter data into a worksheet and decide you want the columns and rows reversed, you can click the Paste arrow, and then click ________

Which of the following statements are true?

a. The String class implements Comparable. b. The Date class implements Comparable. c. The Double class implements Comparable. d. The BigInteger class implements Comparable.

A ____ designs and tests new hardware products, such as computer chips, circuit boards, computers, and peripheral devices.

A. technical support specialist B. computer operator C. computer engineer D. network administrator