What is the difference between "will now be" and "is going to be"?
Just to provide you some contest:
The memory will now be deallocated.
vs.
The memory is going to be deallocated.
What is the difference between "will now be" and "is going to be"?
Just to provide you some contest:
The memory will now be deallocated.
vs.
The memory is going to be deallocated.
In most cases, will and be going to mean the same thing. But the latter implies more certainty. But that shouldn't bother you. Regarding your question, the main difference is now.
When you say The memory will now be deallocated., you mean the the memory is being deallocated at this moment of speaking.
The memory is going to be deallocated. only implies that the memory is going to be deallocated some point in the future but does not specify exact time.
The memory will now be deallocated. can also be expressed as The memory is going to be deallocated now.
See more on the difference between will and going to here.