$1.$ A compiler translates high level program into executable object file in four phases. Which of the following phases reads contents of header files and insert into program text.

Question options:

Pre$-$processing Phase

Compilation Phase

Assembly Phase

Linking Phase

$2.$ A compiler translates high level program into executable object file in four phases. Which of the following phases translates source file in to Assembly language program file.

Question options:

Pre$-$processing Phase

Compilation Phase

Assembly Phase

Linking Phase

$3.$ Convert $-45$ decimal to hexadecimal.