Advice on Books...

[plsoft]

I'm an MCA student in IInd Sem from SMU...Could you guys please suggest books on the following subjects:
1) Computational techniques
2) Programming concepts & Object oriented programming (OOPS)
3) Data and file structure
4) Computer organization and architecture
5) Information systems, assemblers and compilers
6) Operating system

Please suggest books meant for beginners since i'm new to the concepts.
Thanking you all in advance

[mediator]

OS-> galvin
data structures -> lipschutz,tannenbaum

[amitgg]

Data Structures - schaum series

operating system - galvin

computer org and arch - sima d'souza

compiler - aho ullman

[plsoft]

thanks guys