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.
Answer:
False
Explanation:
A regular language can be represented by a regular expression. A regular language can be infinite. Let us consider a simple example of an infinite regular language:
a* is a regular language represented by a regular expression.
The languages matches all strings containing or more a's.
Clearly this is an infinite language.
Note that all finite languages are regular but all regular languages need not be finite.
Answer:
Cutting, shaping, and fastening wood.
Installing rafters, joists, windows, and subflooring.
Setting hardwood floors.
Building kitchen cabinets.
