What is the name of small programs stored on the hard drive that tell the computer how to communicate with a specific hardware device such as a printer, network card, or scanner?

Rachel completed typing an official document with a word processing program. she wants to make sure that her document has no typographical errors. she also wants all headings to have the same font. which features in a word processing program should she use? rachel should use the feature in a word processing program to find typographical errors. she should apply to have uniform headings.