To select a random item from an array, you need to generate a(n) ____ for the index i.

Which of the following statements about CDs and DVDs is FALSE?

A) They are optical storage devices. B) They use lasers to read and record data. C) They are best used for short-term storage. D) They can be purchased blank.

To create a file that can be transferred between platforms, use the ________ file extension

A) .rtf B) .docx C) .potx D) .txt