Answer:
1.) Spelling and grammar checkers, Components of word-processing programs for personal computers that identify apparent misspellings and grammatical errors.
2.) C. Add to dictionary
3.) C. Red wavy underline
Explanation:
1.) Spelling and grammar checkers, Components of word-processing programs for personal computers that identify apparent misspellings and grammatical errors by reference to an incorporated dictionary and a list of rules for proper usage.
2.) adding to dictionary makes the word you selected into their system (e.g.
brainliest)
3.) Red wavy underline is an error when your spelling is wrong
