Which statement about variables in C is correct?

Which is an example of application software?

A byte consists of:

Which computer component is primarily responsible for performing arithmetic and logical operations?

In C, the program entry point is:

In printf, a field width like %6d primarily controls:

Which is true about overflow in signed integers in C (standard C)?

Which C type specifier indicates only nonnegative integer values?

Which library provides implementation-defined limits for integer types (e.g., INT_MAX)?

Which memory type is volatile?