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6 Cards in this Set
- Front
- Back
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what is backing up data |
copying the files to a different medium |
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Why back up data |
1) safeguard loss against data 2) safeguard damages caused by hackers 3) made in calde the files are used elsewhere |
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Why doesn’t back up against virus |
The virus could attach itself to the files which means backups are also affected |
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What’s serial access |
Is when the computer access says its record into their required records found |
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What is direct access |
Is when the computer uses The key field to calculate where the data should be stored |
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What’s this secondary storage media |
Secondary storage devices in sure the data is stored permanently so that it can be used again at a later date |
