
Computers produce two types of output, namely soft copy and hard copy. Hard copy is printed documents, a user sometimes needs to scan the documents to convert it into soft copy for editing or to attach it to an email.
Scanned documents are normally saved in a computer either as images or in portable document format (PDF). Image formats have the extension of JPG, GIF, and PNG. Though scanning avoids retyping of documents, making a couple of changes...