A cylinder.
Yes. Most browsers cache images on the hard drive.
If you are looking inside a PC, the hard drive is approximately 3x5x1 inches. It will have a strand of wires running to it and is located near your A drive.( 3x5 or dvd)
If you own said computer, open it up and look for it. Look for a thin ribbon cable that has a blue connector attached to the motherboard and follow that cable to the hard drive and you will answer your own question.
To get more information on hard drive recovery for a hard drive crash, you might want to look into www.salvagedata.com as they specialize in hard drive recovery for iso systems.
"Not really. A USB drive is more like a CD or floppy disk, but is made to look like another drive on your computer when it's plugged in, because information can be added and removed from it at will" "A USB drive is similar to your hard drive in that you can freely move information on and off of it, but in reality, it's much closer to a floppy disk."
look inside
This is a hard drive: http://askbobrankin.com/hard-drive.jpg This is a CD ROM Drive http://www.jpmccom.net/store/images/cdrom_cd5225_bk.jpg As you can see they look Different...
If you stand it up vertically and look at the top there should be a raised bit and there will be a metal stripe down it that says HDD
To remove a partition on a slave hard drive you can go into the BIOS. You should look up a guide if you plan to do this.
From the website beyourownit, you can learn how to repair your own hard drive. After a hard drive crash or blue screen, you may begin by using a windows utility called Chkdsk which will look for errors and problems in your drive.
Yes..lenovo is much betterbin regarding hardware issues. A great product from IBM. But not of good look.