)Explain the following control techniques and their significance in the context of data security.

Access control is the restriction of unauthorized access to a portion of a computer system or the entire system.
Required:
a)Explain the following control techniques and their significance in the context of data security.
i)Biometric control (4 marks)
ii)Encryption (4 marks)
iii)Logical access (3 marks)
Application controls can be classified into three major categories, processing controls and output controls.

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)Explain the following control techniques and their significance in the context of data security.

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