Please answer the following:

QUESTION 1 if we use char datatype variable to receive the value of fgetc() function, the value will be demoted and promoted again to int datatype with the correct initial value that was returned by fget(). True O False QUESTION 2 ferror() function should be called to verify the reason of the error when the returned value of fread() function is less than 0 O True O False QUESTION 3 When bash is invoked, it first executes the commands in the system-wide startup file, usually located in letc/csh.cshrc. O True O False