Answer:
The most significant issue addressed while ensuring the proper functionality of computer is the working of Operating System.
Explanation:
There are many issues faced while making the computer properly functional. Such as, Memory size, processor speed, software installation etc. while operating system not working properly can cause a significant problem. If operating system is not working properly, the user is unable to use the computer.
So, to make sure the functioning of computer, the significant issue that should be needed to address is Operating System Installation.
Answer:
"A set is an unordered collection. A dictionary is an unordered collection of data that stores data in key-value pairs."
Explanation:
Set =>
Collection of non-repetitive elements.
Unordered
Unindexed
No way to change items.
Dictionary =>
Collection of key-value pairs.
Unordered
Indexed
Mutable