Hard drive

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What is a platter
A circular disk on which magnetic data is stored
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What is a read/write arm?
The arm moves the read/write head across the platter to facilitate the reading, writing and deletion of data
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What are sectors and tracks
Data is arranged in circular paths called tracks. Each track is broken up into smaller areas called sectors. The file allocation table shows a map of what sectors are used and free
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What are volumes and partitions?
A volume is the part of the disk that the users interacts with, a partition is a section of the disk with a specific size
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What do magnetic pulses do?
Store binary digits. To store a 1 you magnetise the bit and to store a 0 you demagnetise the bit
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What are the types of file system?
NTFS- modern file system used by windows, has more features such as encryption and shadow copies of backups. FAT- Ideal for removable drives where maximum capacity is needed, files can't be over 4GB. exFAT - large partition size, less features
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What order does the bootloader run?
PC on, BIOS starts system, BIOS code calls the MBR at start of disk, MBR loads code from boot sector, bootsec loads and runs bootloader
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Other cards in this set

Card 2

Front

What is a read/write arm?

Back

The arm moves the read/write head across the platter to facilitate the reading, writing and deletion of data

Card 3

Front

What are sectors and tracks

Back

Preview of the front of card 3

Card 4

Front

What are volumes and partitions?

Back

Preview of the front of card 4

Card 5

Front

What do magnetic pulses do?

Back

Preview of the front of card 5
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