machine(A computer, either physical or virtual, capable of processing information to produce a desired result); PC(A microcomputer designed for use by one person at a time. Personal computers do not need to share the processing, disk, and printer resources of another computer)
Computer(" An item the user can select in the Options dialog box, Phones tab, from the "Select the default device for calling phone numbers" drop-down list. When the user selects Computer as the default device for calling phone numbers, Communicator uses the Voice Over Internet Protocol (VOIP) connection for making a call.")
