Reading: Scanning and Language Functions Quiz
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Questions and Answers

What was the main characteristic of the first computers' memory?

  • Bubble memory
  • Semiconductor memory
  • Magnetic memory
  • Core memory (correct)
  • Which type of memory utilizes a grid of fine vertical and horizontal wires with ferrite rings at each intersection?

  • Bubble memory
  • Core memory (correct)
  • Semiconductor memory
  • Magnetic memory
  • What does each core in core memory represent?

  • A decimal number
  • A hexadecimal digit
  • An analog value
  • A binary digit (0 or 1) (correct)
  • How has the memory capacity of computers evolved over time?

    <p>From around 80,000 bits to millions of bits</p> Signup and view all the answers

    What technology enabled the reduction in size and cost of mainframes?

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

    During the 1950s, 1960s, and up to the mid-1970s, what type of memory dominated the computer market?

    <p>Core memory</p> Signup and view all the answers

    What is a characteristic of semiconductor memory mentioned in the text?

    <p>Capable of storing information at a greater density</p> Signup and view all the answers

    What is the primary advantage of bubble memory over existing memories?

    <p>Greater information storage density</p> Signup and view all the answers

    Which technology is capable of retaining information during a power failure?

    <p>Core memory</p> Signup and view all the answers

    What is a significant benefit of the ability to etch thousands of integrated circuits onto a tiny piece of silicon?

    <p>Smaller, faster, and cheaper computers</p> Signup and view all the answers

    What is the primary purpose of the Factory Design Pattern mentioned in the text?

    <p>To facilitate the creation of instances and promote reuse</p> Signup and view all the answers

    In the context of the Factory Design Pattern, what role does the Factory class play?

    <p>It serves as an intermediary between the client and the objects being created</p> Signup and view all the answers

    When should the Shopping Cart Design Pattern be used according to the text?

    <p>When users can buy multiple products or instances, and may return at a later time for shopping or payment</p> Signup and view all the answers

    Why is it important for software engineers to utilize design patterns like Factory and Shopping Cart in their applications?

    <p>To establish best practices and maintainable code structures</p> Signup and view all the answers

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