for O.S. Book of Galvin

for O.S. Book of Galvin
http://bcs.wiley.com/he-bcs/Books?action=resource&bcsId=1743&itemId=0471250600&resourceId=2437&chapterId=8007

Computer science ebook link

computer network by tenanbom

http://books.google.co.in/books?id=Pd-z64SJRBAC&dq=free+ppt+on+computer+networks+tanenbaum&printsec=frontcover&source=in&hl=en&ei=chsuSrqTBsGOkAX1y6CSCg&sa=X&oi=book_result&ct=result&resnum=11#PPA18,M1