Compiler design question paper

How to do compiler design?
Compiler construction is complex.
Not “hard,” but complex.
Managing the complexity can be difficult if not done carefully, which is why compiler writers work carefully and methodically.
The purpose of a compiler is to turn code written by a human into something a machine can execute..
Is compiler design subject hard?
Compiler - It is a software program that converts a program written in High-level language to a low-level language(object/ target language).
It also reports errors present in source programs.
Types of compilers: Single-pass compilers: It is a type of compiler that processes the source code only once..
What is compiler question and answer?
Rules to find First()
If X is a terminal, then First(X) is {X}.
If X is a non-terminal and X tends to aα is production, then add 'a' to the first of X. if X-\x26gt;ε, then add null to the First(X).
If X_\x26gt;YZ then if First(Y)=ε, then First(X) = { First(Y)-ε} U First(Z)..

How to do compiler design?