Chapter 7 Floppy Drives

Chapter 7 Floppy Drives - Floppy Drives Chapter #7 Amy...

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Floppy Drives Chapter #7 Amy Hissom Key Terms Boot record — The first sector of a floppy disk or logical drive in a partition; it contains information about the disk or logical drive. On a hard drive, if the boot record is in the active partition, then it is used to boot the OS. Also called boot sector. Boot sector — See boot record. Bootstrap loader — A small program at the end of the boot record that can be used to boot an OS from the disk or logical drive. Cluster — One or more sectors that constitute the smallest unit of space on a disk for storing data (also referred to as a file allocation unit). Files are written to a disk as groups of whole clusters. FAT12 — The 12-bit wide, one-column file allocation table for a floppy disk, containing information about how each cluster or file allocation unit on the disk is currently used. File allocation unit — See cluster. Formatting — Preparing a hard drive volume or floppy disk for use by placing tracks and sectors on its surface to store information (for example, FORMAT A:). Read/write head — A sealed, magnetic coil device that moves across the surface of a disk either reading data from or writing data to the disk.
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REVIEWING THE BASICS 1. How many sectors per track are there on a 3½-inch high-density floppy disk? 18
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Chapter 7 Floppy Drives - Floppy Drives Chapter #7 Amy...

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