MS Office: I have worked with MS Access for about 10 years programming forms, reports, VBA, SQL, and database design. I have also worked extensively with Excel, Word, and Outlook.
OS: I used to hold MCSA, MCSE, and MCT certifications but have not kept it up. I do have a lot of experience with XP, Vista, and 7 on the desktop. I also work a little with Linux on the desktop.
Hardware: I know a bit about most pc hardware and peripherals, and I have built all pcs I have ever had at home.
Other: I Google pretty well. ;-)