1.1.1 The following items are either input or output devices: Scanner, Trackball. Describe briefly the function of each device and indicate whether it is an input or output an device. ( 4 Marks)
1.1.2 Describe four implications of the Data Protection Act with respect to the individual and their personal data. (4 Marks)
1.1.3 What is the difference between RAM and ROM ? Show the difference by giving two characteristics of RAM and two characteristics of ROM. (4 Marks)
1.1.4 Explain what a computer virus is and describe two measures you can take to protect your computer from a computer virus. (3 Marks).
1.2.1 Explain the terms Hardware and Software. Give an example of each. (4 Marks)
1.2.2 Give four situations where you might encounter computer based systems in your everyday life. (4 Marks)
1.2.3 List four of the standard development stages in applications software development. (4 Marks)
1.2.4 Give an explanation for the term GUI. Give two reasons why having a GUI makes using a computer more effective ? (3 Marks)