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Question 1

what is a magnetic tape

Answer 1

a very thin strip of plastic coated in a magnetic layer (iron oxide)

Question 2

is this type of data useful

Answer 2

this data is no longer useful in the real time or online applications but it is used in offline or batch processing

Question 3

3 uses of magnetic tape

Answer 3

1. use in applications where batch processing is used
2. long term archiving of media
3. backup media where vast amounts of data need to be stored

Question 4

4 advantages of magnetic tape

Answer 4

1. generally less expensive
2. very rbust technology
3. very huge storage capacity
4. data transfer rate is actually fast

Question 5

3 disadvantages of magetic tape

Answer 5

they can be affected by magnetic fields
very slow data access time
when updating another tape is needed to store the final upadated version