BCA course is better than BCS because in this you wil learn:

• Programming in C Language (Basic and Advanced)
• Communication Skills
• Networking
• World Wide Web
• Data Structure
• Advanced C Language Programming
• Database Management
• Mathematics
• Software Engineering
• Object Oriented Programming using C++
• Visual Basic
• Programming using PHP*.JAVA
• Oracle
• Operating Systems
• Web Scripting and Development
• Internet Security and Cyber Laws
• Multimedia
• RDBMS

And the job opportunities in the following field:

• SoftwareEngineer
• Software Tester
• DatabaseManagement professional
• ProjectManager
• InformationSecurity professional
• InformationManagement professional
• SystemAdministrator
• SystemSecurity Officer
• SoftwareArchitect
• AssociateSoftware Engineer
• ProjectManager

For further study you can pursue MCA after BCA.