Functional requirements <span>are used in input, processing, and output operations that can help create more efficient programs as the data can be processed many times without having to be input again.
</span>The functional requirements define function/s of a system or its component. It <span>describes what a software system should do.</span>
The reflective surface inside of the umbrella reflects light onto the subject
https://bookauthority.org/books/beginner-computer-science-books
Hope this help ;)
Answer:
Usually based on IOS or Android operating systems. (Like what phones use. It's usually a simplified broken-down version of this though.)
Explanation:
Most small electronic devices such as the one listed runs on IOS or Android operating systems. Typically it's used for a basic use but it's a small, fast, and easy to use kind of OP.