Difference between interpreter and compiler

Answer 1

Interpreter runs/checks code on real time while compiler first evaluates and then runs it.

Answer 2

https://youtu.be/_C5AHaS1mOA

watch this video ... ^^

Answer 3

both convert high level languange into machine language. interpreter simultaneously scan step by step code and suddenly it is executed. But in compiler whole program is scanned and finally the code is executed.