Master of Computer of Applications (MCA) is a technical programme, and is generally considered equivalent to Bachelor of Engineering (B.E.)/Bachelor of Technology (B.Tech).
Both the courses are almost the same when it comes to job and knowledge. Since you want to understand the similarity between the two, you may go through the following topics.
To know more about MCA, click here.
To know more about B.E./B.Tech, click here.