In operating systems, $$busy waiting$$ is defined as $($Chapter $2)$

Question $10$ options:

the situation where two or more processes are reading or writing some shared data and the final result depends on who runs precisely when

the situation where a variable is continuously tested until some value appears

the situation where if one process is using a shared variable or file, the other processes will be excluded from doing the same thing

the part of a program where the shared memory is accessed