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CS 314 Midterm 1 - Terms and Defs
University of Texas at Austin CS 314 Novak
Abstract Data Type
A description of a operations on a data type that could have multiple possible implemations
in a tree, the union of a node's parent and the parent's ancestors.
a contiguous block of memory containing elements of a single data type, accessed by index.
American Standard Code for Information Interchange. A character code that maps 8-digit binary integers to characters.
A list of pairs, each containing a key and a value associated with the key
in a tree, to move back from the current node being examined to the parent node.
a simple case that can be solved easily, without recursion.
an abstracted function that describes the time needed or space required for an algorithm, as a function of problem size.
Binary Search Tree
a tree set up such that each node has contents, and all of it's left descendants are less than the contents, and all of it's right descendants are greater than the contents.
a tree in which each node has at most two children.
a number that is defined as an object, so that it has a runtime type and methods that can be used.
in a tree, a node that is pointed to by a parent node.
Circularly Linked List
a list in which the last element points back to the first.
a queue implemented in an array, where the first element in the list logically follows the last.
in object oriented programming, described as a similar set of objects.
1.In Lisp, a function that constructs a pair of pointers, a basic list structure.
2. A cons data structure.
3. To make a cons data structure.
describes a function that creates a new data structure without modifying it's elements.
in a tree, the number of links between the root and it's leaves.
a search in which a node's children are considered(recursively) before it's siblings.
to convert a pointers address to the data it's pointed to.
the nodes under a given tree.
a pattern that describes a set of similar programs.
describes a function that modifies it's arguments.
Divide and Conquer
a problem-solving strategy in which a problem is broken down into subproblems, until simple subproblems are reached.
Doubly Linked List
a linked list in which elements have both forward and backward points.
Describes a process in which every customer will eventually be served.
first-in, first-out: describes the ordering of a queue.
a process that removes unwanted elements from a collection.
a way of implementing a tree that uses to pointers per node, but can represent an arbitrary number of children of a node.
1. Data that is meaningless, useless, or random. Storage that is no longer being pointed to, and therefore cannot be accessed.
the process of collection garbage for recycling.
concatenates two lists at top level, creating a single list that contains the elements of the two input lists.
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