hi priyanka

yes doing dca tohether will 11th commerce is a good option as it will help in gaining more knowledge and will add a plus point into your resume,and also it is easy to manage courses like computer applications with commerce now-a-days where all the things are now getting computerised.

so yes doing DCA with commerce will surely help in your future.

You may opt doing DCA with 11th commerce . It will help you ,anyway. It will increase your knowledge and understanding skills .

Hope it helps  you. Let us know if you have any further queries.