a)In many computer installations, the most common form of terminal is the visual display unit (VDU). State and explain key features of a VDU terminal. (8 marks)
b)Computerized accounting/financial systems still need internal controls to enhance the integrity of such systems. Explain four internal control procedures that need to be put in place to guarantee the integrity of such systems. (8 marks)
c)Explain the following database security features:
(i.)Authorization (2 marks)
(ii.)Authentication (2 marks)
(Total: 20 marks)
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