In Microsoft Excel 2016, the Hide & Unhide option can be accessed by clicking the _____ on the Home tab.

Before tokenizing a string, you should use the ____________ method to remove leading and/or trailing white-space characters and prevent them from being included in the first and last tokens.

a. Trim b. Remove c. Split d. Sub string

A ________ is a mutual exclusion mechanism in which a process executes in an infinite loop waiting for the value of a lock variable to indicate availability.

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