Part A 1. What is a data structure? Data structure is a mechanism for storing data and organizing it in some way. The data structures you use in Alice are list and arrays. 2. Which automatically grows in size as you add items to it‚ lists or arrays? The list automatically expands as items are added to it. 3. When you drag a list tile and drop it on top of a placeholder in an instruction‚ a menu will appear. What will be on the menu? A menu appears showing a list of the methods that
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WXES1115/WXES1117 Data Structures Lab 10: Queue 1. Write a generic queue class called MyQueue using LinkedList. Implement the following methods: a. public void enqueue(E o) b. public E dequeue() c. public E peek() d. public int getSize() e. public boolean isEmpty(); f. public String toString() public static void main(String[] args) { // TODO code application logic here MyQueue <String > fruitQ = new MyQueue <String >();
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Lecture 1 1.1 INTRODUCTION Data structure is the branch of computer science that unleashes the knowledge of how the data should be organized‚ how the flow of data should be controlled and how a data structure should be designed and implemented to reduce the complexity and increase the efficiency of the algorithm. The theory of structures not only introduces the data structures‚ but also helps to understand and use the concept of abstraction‚ analyze problems step by step and develop algorithms to
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Storage and File Structures Goals Understand the basic concepts underlying different storage media‚ buffer management‚ files structures‚ and organization of records in files. Contents • • • • • Overview of Physical Storage Media Magnetic Disks‚ Tertiary Storage Buffer Management Storage Access File Organization Dept. of Computer Science UC Davis 6. Storage and File Organization ECS-165A WQ’11 111 Classification of Physical Storage Media • Main criteria: Speed with which data can be accessed
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Video File Formats 3GPP Multimedia File (3gp) Is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for 3G UMTS multimedia services. It is used on 3G mobile phones but can also be played on some 2G and 4Gphones. Advanced Systems Format File (asf) File format that wraps various content bit streams; data types can include audio‚ video‚ script command‚ JPEG-compressed still images‚ binary‚ and other streams defined by developers. This description is focused
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1. ------------------------------------------------- Types of searching 2.1 Binary search tree In computer science‚ a binary search tree (BST) is a node based binary tree data structure which has the following properties: * The left subtree of a node contains only nodes with keys less than the node ’s key. * The right subtree of a node contains only nodes with keys greater than the node ’s key. * Both the left and right subtrees must also be binary search trees. From the
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WEEK 1 WHAT ARE DATA STRUCTURES? WHAT ARE ALGORITHMS? REVIEW OF JAVA AND OOP ENCAPSULATION‚ INHERITANCE‚ POLYMORPHISM CLASSES METHOD INTERFACES DATA STRUCTURES In computer science‚ a data structure is a particular way of storing and organizing data in a computer so that it can be used efficiently. Different kinds of data structures are suited to different kinds of applications and some are highly specialized to certain tasks. For example‚ B-trees are particularly well-suited
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Seven domains of a Typical IT Infrastructure To Identify Weaknesses User Domain - Social engineering represents a big vulnerability. Workstation Domain - Computers that aren’t patched can be exploited. If they don’t have antivirus software they can become infected LAN Domain - Any data on the network that is not secured with appropriated access controls is vulnerable. Weak passwords can be cracked. Permissions that aren’t assigned properly allow unauthorized access LAN-to-WAN Domain -
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TYPES OF DATA AND COMPONENTS OF DATA STRUCTURES Data types 1. Primitive: is a data type provided by a programming language as a basic building block 2. Composite: is any data type which can be constructed in a program using its programming language’s primitive data types and other composite types 3. Abstract: is a mathematical model for a certain class of data structures that have similar behavior; or for certain data types of one or more programming languages that have similar semantics
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An everyday common analogy is a for a person’s memory to be referred to a file cabinet. In the analogy‚ that the mind is like a file cabinet‚ it refers to memories being filed away in a file cabinet and then pulled out when use. Once the person is done with the memory it is filed once again back into the file cabinet. Enteral Sunshine of the Spotless Mind tells the story of a couple who has an ambiguous relationship and only sees the worst side
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