It studies various computer applications like MS Office, Internet applications, Operating System, Database Management System, HTML among other subjects. A person who has completed DCA can apply as a computer operator in any firm. He or she can get placed at clerical levels like receptionist, computer operator or cyber cafe owner. He can also work at BPO. DCA diploma holder can execute basic computer tasks and can also become an Accountant. He/she can also become a computer teacher at primary level or can also own Computer teaching Center for children or adults who wish to learn computer basics.