An operating system can be categorized according to: question 1 options:

a. the number of users they can accommodate.

b. the number of tasks they can perform at one time.

c. both of these.

d. neither of these.

An operating system can be categorized according to

c)

Explanation:

OS or operating systems can be classified by the number of users they can accommodate, we can have a simple batch operating system or a very complex Network operating system that allows the functionality of different batch operating systems that are interconnected to a single administrator that serves as database and setup. After these characteristics we also have amount of tasks they can perform, basic operative systems can run only one or two tasks at the time while more complex operative systems can run up to 8 tasks. So, these are the categorization guidelines or operating systems.

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.