I have a test in introduction to computer systems Boolean algebra and logic circuits

$$ Number systems and data representation

$$ Computer structure

$$ The C Programming Language

$$ Fundamental ideas of operating systems

$$ Editors, compilers, and linkers

$$ System calls and basic libraries for processes, memory, and files

$$ The shell and other core systems programs

I want programming in C questions in the topics above and another questions that might be in the test so I can practice please provide the answers too