top selling computers
HELP!!! what type of specs should i post to sell my computer?

I am selling my desk top computer and my printer. i down loaded
CPU-Z:

http://download.cnet.com/CPU-Z/3000-2086_4-10753792.html?tag=dl.1

To get all the specs i guess on my computer. but i looked at it after i downloaded it and have no clue what none of it means and what i should post up to get my computer sold. PLEASE help me someone.

Mother board model # if you can get it. This is abbreviated MB

Operating system (OS) Usually some sort of windows or Linux.

Ram which stands for Random access memory. Measure in either Megabytes or gigabytes.

List everything most people have someone advising them or know and will pick out the data they need.

Processor or CPU info: Brand, model number, clock speed, whether it has dual core or quad core.

Any internal devices such as, DVD, CD, Hard drive (HD) , Scuzzy, Floppy, USB connections. Modems, Video boards Brand model and memory on the board.

Internal connectors and expansion slots, How many slots for ram and what kind, IDE/ATA, SATA, 32 bit PCI Slots,AGP And PCIe32 bit

And of course if you are offering any peripherals, their name and model numbers.

Top Selling Laptop Computers – Amazon