Diploma in Computer Applications acronym is DCA. The persons who are good at maths and interested in computer technology can go on to Diploma in Computer Application. This course gives the overlay of computer applications. There is demand for skilled person for handling Computer Applications. Diploma in computer applications (DCA) is usually six months, but could be a year depending on the course curriculum and institution. It has been designed for aspirants who want to enhance their knowledge in the computer applications. new innovations in this arena there is a growing demand for computer professionals with a sound understanding of basic computer applications in business covering key programming languages.