what is a compiler?

Answer 1

a compiler is a program that translates your code in something the computer can understand (machine code)

Answer 2

compiler acts like a translator , a computer program which reads source code and output assembly code or executable code is called compiler.

Answer 3

If you want to write its answer in exam this is an appropriate answer to write.

Compiler: compiler converts High level language into Computer language .It convert the entire program in one go .If there is any error it reports the error in the end along with the line number.

Hope this helps you!
PEACE\/.