(a) Identify four ways in which you can ensure that information you keep on a computer remains safe.
(b) Explain the differences between:
(i) hardware and software
(ii) laptops and tablets
(c) Explain how each of the following features of a desk telephone can make communication easier:
(i) speed dial
(ii) hands-free facility
(iii) ‘mute’ or ‘secrecy’ button
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