Multiple choice general knowledge science & technology The function time(NULL) returns the number of seconds elapsed since 00:00:00 hours ? January 1, 1900. January 1, 1950. January 1, 1970. January 1, 1990. Reveal answer Fill a bubble to check yourself C Correct answer Explanation The time() function returns seconds since the Unix epoch: January 1, 1970, 00:00:00 UTC. This is the standard reference point used by Unix-like systems. Dates before this are represented as negative values.