0 votes 0 votes Pre order is also known as: Depth first order Breadth first order Topological order Linear order Others ugcnetcse-june2007-paper2 + – go_editor asked Mar 28, 2020 edited May 21, 2021 by soujanyareddy13 go_editor 226 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.