Multiple choice general knowledge science & technology time_t is? a variable used to hold a number from the computer's internal clock. a data type a built-in library function which will return a value from the internal clock. a header file. Reveal answer Fill a bubble to check yourself B Correct answer Explanation time_t is a data type (typically a typedef for a long integer) used to store time values. It's not a variable, function, or header file. The time() function returns a value of type time_t.