4(a) List three criteria that are used in classifying files.
4(b) State two advantages and two disadvantages of computer files.
4b(ii) State three methods of file security.
4(a) Nature of content of file.
- Organization method.
- Storage medium.
4b(ii) Advantages of Computer Files
- Fast to access
- More secure
- More reliable
- Less laborious
Disadvantages of Computer Files
- Irregular power supply
- Data redundancy
- Expensive to set up
- Cannot guarantee queries
- Can be destroyed by a virus.
4b (ii) COMPUTER ETHICS AND HUMAN ISSUES: SECURITY AND ETHICS
- Use of back-ups
- Password
- Use of antivirus
- Proper labeling of storage devices.
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