The Diploma in Computer Applications (DCA) is a short certification program to help students and professionals gain footing in the field of computer applications. The course is designed to cover the major concepts related to computer operations in a short span of time. A lot of people who are not well versed with technology struggle with the job which either leads to the inefficiency at the work or rejection during the selection process. To give students an extra edge over others, the DCA is a must-have qualification. The course duration can vary from 6-12 months.