Differentiate between Magnetic Tape and Magnetic Disk
| | Magnetic Tape | Magnetic Disk |
1. | Less expensive. | More expensive. |
2. | Slow access to records. | Fast access to record. |
3. | Ideal for sequential processing. | Ideal for random access processing. |
4. | Not suitable for online integrative processing. | Suitable for online interactive processing. |
5. | Updates requires new tape. | We can add data to existing disk. |
6. | When tape tears some data has to be lost. | Read/write heads can crash and destroy files. |
7. | Generally we for back up (huge amount of data). | Generally use to transfer small amount by data. |
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