what is compiler

Answer 1

A compiler is a program that translate your code into binary code that a machine can run.

Answer 2

A compiler is a computer program (or a set of programs) that transforms source code written in a programming language (the source language) into another computer language (the target language), with the latter often having a binary form known as object code. Info from wikipedia)

Answer 3

compiler is a translater which translates ur high level code into machile language
but it will translater whole program at once.
interpreter will translate one line at a time .
thats why compiler r fast