Which of the following is not an example of operating system software?

Formatting marks are also called non ________ characters

Fill in the blank(s) with correct word

You have chosen the Save Date field and chosen the date format but your screen shows XXX 0, 0000. What should you do so that the correct date will appear?

A) Save the document into which you inserted the Save Date field. B) Check the Date and Time Properties on your computer desktop. C) Make sure that you are connected to the Internet. D) Choose a different date format.