Are database design (ERD) IS true for the following table

I have table for instructor in university

This center give courses for programming language specialized to Microsoft product

this interface as following in image

http://www.mediafire.com/view/113377hcz2cxrj9/Instructor_table.jpg

SQL,c#,access,c++ courses that given by center

D(4),G(2),G(5),G(6),G(3) is sections

B.A ,I.S is departments of year in university

university consist from 4 year as following department as (INFORMATION SYSTEM

(I.S) OR BUSINESS ADMIN(B.A)OR TRADE ENGLISH (T.E)

I make ERD design as following :

this erd for interface above

Can you tell me are this design is true for table above

http://www.mediafire.com/view/2anhnki51b3b618/Diagram.jpg