magnetic storage


	magnetic storage
	Advantages Probably the cheapest form of storage per megabyte of storage Can store large amounts of data - up to 1 Terabyte per tape cartridge Can be set up to do the back up overnight or over the weekend	Disadvantages Serial access so can be quite slow to access data Need a special piece of equipment to record and read the data on the tape The data may be corrupted if the tape is placed near a strong magnetic field e.g. a large speaker or magnet
	Evaluation As long as it is not damaged, a magnetic tape is very reliable method of data storage.

Serial access so can be quite slow to access data
Need a special piece of equipment to record and read the data on the tape
The data may be corrupted if the tape is placed near a strong magnetic field e.g. a large speaker or magnet

As long as it is not damaged, a magnetic tape is very reliable method of data storage.

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