3(a) Table 1 shows the actions perfomed by a company on its stored files. Tick the actions that will ensure that the files are kept confidential and secured...

Answer Details

(a) The actions that will ensure that the files are kept confidential and secured are: - Use of folder - Use of password - Use of biometrics (if available) (b) Two disadvantages of computer files as compared to manual files are: - Computer files are vulnerable to hacking, viruses, and other security threats. - If a computer crashes or there is a power outage, the files may be lost or corrupted. (c) (i) In Microsoft Excel, charts refer to graphical representations of data. They are used to visually display data in a way that makes it easier to understand and analyze. (ii) Two types of charts in Microsoft Excel are: - Column chart: This type of chart displays data as vertical columns. It is useful for comparing values across different categories or time periods. - Pie chart: This type of chart displays data as slices of a circle. It is useful for showing the proportion of different values in a dataset.