Features of Windows NT & Windows 95

Compare and cotrast the Features of Windows NT to that of Windows 95.
Which programme will run in case of following problems;
1. Your disk is not reading few files properly
2. The responce time on your disk is slow.
3. You need to change the video mode of your moniter.
4. You need to change your default printer to a new printer which has been
acquired by you recently.
5. Demonstrate the above utilites giving output at each stage.