The appropriate answer is d. mail merge. Mail merge uses a database of addresses that are used to create pre-addressed mailing labels that are generally used when sending letters to a very large group. This type of application is used by utility companies or any other organizations that requires mass mailings. Mail merge is found in the Microsoft Word application. Excell spreadsheets can also be used to complete tasks similar to that of mail merge.
Answer:
A waveform that switches representing the two states of a Boolean value (0 and 1, or low and high, or false and true) is referred to as a digital signal or logic signal or binary signal when it is interpreted in terms of only two possible digits.
3 Examples of mainframe computers
z900
System z9
System z10