C major and A minor have no sharps or flats.
Answer:
GOD HAS FORSAKEN YOU NOW PRAISE DHAR MANN
The answer is built-in dictionary.
Most Microsoft Word versions come with a built-in dictionary for standard grammar and spellings. These dictionaries are not comprehensive. Word also has an additional option to add a spelling error to the dictionary so that the next time you type that same error, it will not come up as a spelling error. In addition, Word can use multiple custom dictionaries that allows you to supplement with the main dictionary and check the spelling of your documents.
The answer of this question is bios software applications it detects errors in system configuration?