Practice Quiz

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96. Why is a CPU’s cache important?
  1. The cache size determines the number of threads the CPU can handle.
  2. The cache size determines how many programs the CPU can interact with.
  3. Without a cache, the CPU can only hold one number at a time.
  4. Without a cache, the CPU will miss lots of clock cycles.
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97. What is the main disadvantage of backwards compatibility?
  1. Older programs aren’t as good as new ones.
  2. Old programs may run, but they often run badly.
  3. Systems that are backwards compatible must be more complex.
  4. Old programs and new programs often have runtime conflicts.
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98. What is Moore’s law?
  1. Processing speed will double every two years.
  2. Memory cost will halve every 18 months.
  3. Computer power will triple every five years.
  4. Computer access will go up ten percent every year.
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99. What would happen if you ran a computer without a graphics card?
  1. The computer wouldn’t be able to play videos.
  2. The computer wouldn’t be able to render 3D graphics.
  3. The system would slow down a great deal.
  4. There would be no image.
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100. Which of the following is not an example of malware?
  1. A computer virus
  2. Trojan horses
  3. A hacker accessing your system
  4. Adware
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