Examples of __________ include processors, I/O channels, main and secondary memory, devices, and data structures such as files, databases, and semaphores.

A combo box allows users to select from a list of choices that displays in a drop-down box, but the user can also modify the choices in the list

Indicate whether the statement is true or false

Premium services include the ability to send out more than five introductions at a time and the ability to contact other members directly by sending ____________________, which use LinkedIn's internal e-mail application.

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