May 2014
Intermediate to advanced
320 pages
13h 41m
English
Content preview from Servicing Personal Computers, 3rd Edition
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Tape and disk drives 159
Disk drives
Magnetic disk drives are available in various forms, from the hard Winchester types which are
suitable for small business applications to the compact floppy which is ideal for the domestic
user. The main types are summarized below:
1.
Hard disks. These units generally employ non-interchangeable disks, are relatively
expensive and offer typical storage capacities of 4M byte or more
2.
8 inch (standard) floppy disks. These were the forerunners of the 5.25 inch mini-floppy
disk. Disks are contained within a protective cardboard sleeve, are interchangeable and offer
typical storage capacities of between 400