Array Data Structure
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Questions and Answers

What is a characteristic of an array?

  • Each element is identified by an index or key (correct)
  • The number of elements can be changed after creation
  • Elements can be of different data types
  • Elements are stored in a random order
  • What is an operation that can be performed on an array?

  • Swapping
  • Compression
  • Encryption
  • Traversal (correct)
  • What type of array is a collection of two or more one-dimensional arrays?

  • Multi-dimensional array (correct)
  • One-dimensional array
  • Dynamic array
  • Jagged array
  • What determines the size of a static array?

    <p>Compile time</p> Signup and view all the answers

    What is a benefit of using arrays in programming languages?

    <p>Many programming languages provide built-in support for array operations</p> Signup and view all the answers

    What is a characteristic of a jagged array?

    <p>Each sub-array can have a different length</p> Signup and view all the answers

    What is the process of extracting a subset of elements from an array?

    <p>Slicing</p> Signup and view all the answers

    What type of array has elements of the same data type?

    <p>Homogeneous array</p> Signup and view all the answers

    What is the measure of the amount of memory required to execute an algorithm?

    <p>Space Complexity</p> Signup and view all the answers

    What is the process of adding a new element to an array?

    <p>Insertion</p> Signup and view all the answers

    What is a two-dimensional array also known as?

    <p>A table of elements with rows and columns</p> Signup and view all the answers

    What is the process of finding a specific element in an array?

    <p>Searching</p> Signup and view all the answers

    What is the process of arranging elements in an array in a specific order?

    <p>Sorting</p> Signup and view all the answers

    What is the measure of the computational time required to execute an algorithm?

    <p>Time Complexity</p> Signup and view all the answers

    What is the process of combining two or more arrays into a single array?

    <p>Concatenation</p> Signup and view all the answers

    What is the process of looping through each element in an array?

    <p>Iteration</p> Signup and view all the answers

    Study Notes

    What is an Array?

    • A collection of elements, each identified by an index or key
    • A data structure that stores a fixed-size, homogeneous collection of elements
    • Each element is of the same data type

    Characteristics of Arrays

    • Fixed size: The number of elements in an array is fixed at creation time
    • Homogeneous: All elements in an array are of the same data type
    • Indexed: Each element is identified by an index or key
    • Random access: Elements can be accessed directly using their index

    Operations on Arrays

    • Indexing: Accessing an element by its index
    • Assignment: Assigning a value to an element at a specific index
    • Traversal: Iterating over the elements of an array
    • Searching: Finding an element in an array
    • Sorting: Arranging elements in a specific order
    • Insertion: Adding a new element to an array
    • Deletion: Removing an element from an array

    Types of Arrays

    • One-dimensional array: A single row or column of elements
    • Multi-dimensional array: A collection of two or more one-dimensional arrays
    • Jagged array: An array of arrays, where each sub-array can have a different length

    Arrays in Programming Languages

    • Static arrays: Arrays with a fixed size that is determined at compile time
    • Dynamic arrays: Arrays that can grow or shrink in size at runtime
    • Array operations: Many programming languages provide built-in support for array operations, such as sorting and searching

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    Test your understanding of arrays, including their characteristics, operations, and types. Learn how arrays are used in programming languages and their different implementations.

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