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7. PARTS OF HARD DISK

8. FIXED HARD DISK DRIVE PORTABLE HARD DISK DRIVE
• used to store operating system • used to store very large files
• has your installed applications • Just has raw files
• tend to have fans built into them • do not come with cooling fans due
to the lack of space
• come with their own power adapters • designed to draw power from the
USB connection

9. IN CONCLUSION
A hard disk has revolutionized the
digital age . Hard disk are the most
widely used technology for storage
of our information and data.
Without hard disk the computer
digital age we live in would not be
the same