The GM MDI when coupled up with the software application 'GDS-2' allows your shop to be 'dealer level' capable on all the above listed GM cars. Scan, pull codes, graph data and have all bi-directional controls available for all vehicle systems including Powertrain, Body, Chassis and Network.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  queue(Noun) An animal's tail. 2  queue(Noun) A men's hairstyle whose primary attribute is a braid or ponytail at the back of the head, such as that worn by men in Imperial China.
Queue Data Structures. Queue is also an abstract data type or a linear data structure, in which the first element is inserted from one end called REAR (also called tail), and the deletion of exisiting element takes place from the other end called as FRONT (also called head).asic features of Queue. 1  Like Stack, Queue is also an ordered list of elements of similar data types. 2  Queue is a FIFO(First in First Out) structure. 3  Once a new element is inserted into the Queue, all the elements inserted before the new element in the queue must be removed, to remove the new element.