the first one seems to be a live cd
wikipedia quote
Quote:
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A Live CD or LiveCD or CD Live Distro is a computer operating system that is executed upon boot, without installation to a hard disk drive. Typically, the LiveDistro is named after the bootable medium it is stored on, such as a CD-ROM or DVD (Live CD/DVD) or a USB flash drive (Live USB).
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maybe the second is an installation disc