Multiple choice technology web technology Full form of YAHOO Yet Another Hierarchical Offensive Oracle Yet Another Hierarchically Organised Oracle Yet Another Hierarchy of Officious Oracle Yet Another Hasty Organizer Of Opportunity Reveal answer Fill a bubble to check yourself C Correct answer Explanation YAHOO stands for 'Yet Another Hierarchy of Officious Oracle'. This was the original expansion chosen by founders Jerry Yang and David Filo. 'Officious' refers to being helpful or intrusive, reflecting the directory's nature.