expectation is what we wish things to be, reality is what they tun out to be.
Expectation: you hope to get it
Reality: you do get it.
The question is incomplete. The difference between that reality and what?
Irony
virtual isnt real.realitysucks
A brain.
The difference between reality and what you expect
Knowledge gap --The difference between the consumer's service expectations and management's perception of consumer's expectations
Reality.
Needs are the things you require in order to maintain life. Expectations are things you want or things you think you should have.
Verbal irony is a rhetorical device that highlights the contrast between what is said and what is actually meant or true, often leading to an unexpected outcome that defies reader expectations.
irony.
There is no major difference between Augmented Reality vs Virtual Reality.You can check out here "inaugment" for the best answers.
Among many, I like one of the simplest (Satisfaction = Reality - Expectation) where (Reality = Perception) and a positive satisfaction occurs when perception overcomes expectation and vice-versa.