The main advantages of Word processor over using a typewriter are as follows:
You can make changes without retyping the entire document.
You can easily correct typing mistakes.
You can easily delete text from document.
It is easy to insert a word, sentence, or paragraph in the middle (or any location) of a document.
You can easily shift a portion of document from one place to another within a document, or between different documents.
You can send the document to a printer to get a hard copy. Many hard copies of the document can be created.