PDF {Ans: portable document files}word processor {Ans: an application software used to create, compose, edit, format, and print documents - Microsoft Word, Adobe Acrobat, Corel WordPerfect}spreadsheet {Ans: an electronic grid of columns and rows typically used to create, model, and manipulate numerical and often, financial information.}rows {Ans: labeled with numbers}Acrobat reader {Ans: a freeware product for viewing, printing, and annotating PDF's and it resides on virtually every platform}Microsoft {Ans: first released in 1983 and has evolved into the most popular word processor in the world}