Click the links below for the respective previous papers...

For Analysis of CSE topic for GATE

1998 Gate paper

1999 Gate paper

2000 Gate Paper

2001 Gate paper

2002 Gate Paper

2003 Gate paper

2004 Gate paper

2005 Gate Paper

2006 Gate Paper

Hope these gate papers will be useful for all CSE guys aspiring 4 GATE ...
Have a nice time...