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AP Computer Science & Technology Flashcards

6 cards from real AP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. In AP Computer Science, what is the purpose of a constructor in object-oriented programming?

    Answer: To initialize a new object's state

    A constructor is a special method called when an object is created, used to initialize its attributes.

  2. Which sorting algorithm repeatedly swaps adjacent elements that are in the wrong order?

    Answer: Bubble Sort

    Bubble sort compares and swaps adjacent elements repeatedly, causing larger values to 'bubble' to the end.

  3. What does the term 'inheritance' mean in object-oriented programming?

    Answer: A class receives properties and methods from a parent class

    Inheritance allows a subclass to acquire the attributes and methods of a superclass, promoting code reuse.

  4. In a binary number system, what is the decimal equivalent of 1010?

    Answer: 10

    Binary 1010 equals 1×8 + 0×4 + 1×2 + 0×1 = 10 in decimal.

  5. What is the primary purpose of an array in programming?

    Answer: To store multiple values of the same type under one name

    An array stores a collection of elements of the same data type, accessible via index positions.

  6. Which of the following best describes the internet protocol IP?

    Answer: A set of rules for routing data packets across networks

    IP is a protocol that defines how data packets are addressed and routed between devices on a network.