Answer: Click the System Preferences icon on the dock. In the first row, click Desktop & Screen Saver.
Explanation: When it comes to macOS versions, Mojave and High Sierra are very comparable. The two have a lot in common, unlike Mojave and the more recent Catalina.
Answer:
It should be the Central processing unit, as it is the part where information is calculated in the compute, but RAM is also an internal working, used for temporarily storing information. I would Go with CPU to be safe.
Javascript can be executed i believe. but i just googled it,check it for yourself
Answer:
Following are the solution to the given points:
Explanation:
The Memory address value = 64 bit
The Size of the word 
In point a:
The offset size 
( in 1-word block size)
The Index size 
(as block number =512)
Tag size 
In point b:
The offset size 
The Index size 
Tag size
In point c:
The Ratio at point a
The Ratio at point b
The two names are : split DNS & DMZ DNS. They are <span>used to describe the configuration in which internal and external dns queries are handled by different dns servers or by a single dns server that is specially configured to keep internal and external dns zones separate.</span>
