Line graphs can also be used to compare changes over the same period of time for more than one group. Pie charts are best to use when you are trying to compare parts of a whole. They do not show changes over time. Bar graphs are used to compare things between different groups or to track changes over time.
Answer:
An operating system can be categorized according to both the given options. Thus answer is option C
Explanation:
An operating system should support multiple logins. Because the login plays a major role and that is the need and mainly in the organization where one system will be shared by multiple users. Also, Operating system should perform multi-tasking. This efficiency is required so that the user completes the work very faster and he need not wait to go for the next task.
For example an operating system handles user’s task, background tasks, keep track of the status of the devices, allots output device to the requested user and so on.
The answer is a. im pretty positive but if im wrong super sorry