A worksheet, cell, chart, or form element is considered a(n) ________

Once a final version of a document has been accepted, it is a good idea to save it with a new name and delete the document with the tracked changes

Indicate whether the statement is true or false

To be able to send and receive messages in parallel over a network connection, a program must use __________ of execution.

a. one thread. b. two threads. c. three threads. d. four threads.