(a) List three criteria that are used in classifying file. (b) State: (i) two advantages...
COMPUTER
WAEC 2014
(a) List three criteria that are used in classifying file.
(b) State: (i) two advantages and two disadvantages of computer files; (ii) three methods of file security.
Explanation
(i) Nature of content in a file (ii) Organisation method (iii) Storage medium.
(b)(i) Advantages of Computer Files: - Fast to access. - More secured. - Less laborious. Moore reliable - Neatly modified.
Disadvantages of computer files: Irregular power supply.- Data redundancy. Expensive to set up. - Cannot generate queries.
Can corrupted or destroyed by virus, Hacker can take advantage of the file.
(ii) Use of back-ups. Use of anti-virus. Password. Proper label of storage devices.
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