DCA Access Standard Security Program (DASSP) On July 19, 2005, the Transportation Security Administration (TSA) released an interim final rule that allows certain general aviation aircraft to apply for access to Ronald Reagan Washington National Airport (DCA) under the DCA Access Standard Security Program (DASSP).
The basic operations that can be performed on a binary search tree data structure, are the following 1  â. Insert â Inserts an element in a tree/create a tree. 2  Search â Searches an element in a tree. 3  Preorder Traversal â Traverses a tree in a pre-order manner. 4  Inorder Traversal â Traverses a tree in an in-order manner.
Data structures are used to store data in a computer in an organized fashion. Different types of data structures are:-. Stack- Works in first in last out order. The element inserted first in stack is removed last. Queue- First in First out order. The element inserted first is removed first.