"To preform specific useful computing tasks, like word processing and calculation" is the correct answer. This is the whole purpose of system software. The third answer is some other type of software(third party software?) and the fourth answer is most likely a compiler. Those are the easiest to take off. The second could also work.
The two answers I would go with are the first and the second.
Answer:
the visibility persists as long as both A and B exist.
Explanation:
Global visibility basically means that the visibility persists as long as both A and B exist. In programming global visibility signifies that the variable/data in question is visible from any context of the code. Meaning that it can be accessed and manipulated from any part of the code, even from within a function or another document. This makes it very easy to use and structure accordingly.
Answer:
I would design the word asa better place
Explanation:
The standard program that uses common views such as the icon view, list view, and details view would be the program known as "File Explorer" (Windows) or "Finder" (Mac). This program uses all the views to make selecting and tracking down certain files a much more painless and easier process to complete.
Hope this helps and good luck! :)
One possible reason could be low network bandwidth, where the maximum data throughout allowed by the network is insufficient to accommodate the large amount of data being streamed.
Let me know if you have any questions.
