DCA, Diploma in Computer Applications, is a one-year diploma course in the field of Computer Applications which involves the study of numerous computer applications such as MS Office, Internet Applications, Operating System, Database Management System (DBMS), HTML among other subjects.

In order to apply for admission in any diploma in computer application colleges, candidates are required to have a high school degree or equivalent in any discipline from a recognized board with at least 40% marks.

Some of the core subjects of the diploma in computer application syllabus are Basics Computer Skills, MS Office Applications, Internet Basics, E-Business, PC Assembly and Troubleshooting.