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 (C)</p> Signup and view all the answers

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

<p>Transistors (B)</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 (C)</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 (C)</p> Signup and view all the answers

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

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

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

<p>Core memory (A)</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 (C)</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 (D)</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 (A)</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 (A)</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 (C)</p> Signup and view all the answers

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