例文
- Most PCs will boot only from the active primary partition on C, A, or a CDROM . The place it boots from is the place where the initial bit of boot program is read.
- Some versions of DOS do not assign the drive letter, beginning with "'C : "', to the first active primary partition recognized upon the first physical hard disk, but on the first primary partition recognized of the first hard disk, even if it is not set active.