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					                                                 In-Class 5                                      Spring 2010
Computer Hardware
This week in class you will be taking apart some very basic computers. We will be discussing what each major
part of a computer does, so be sure to pay attention!

   1. What is the largest number a string of 8 binary numbers can represent?

       __________________________


   2. What role does the central processing unit (CPU) play?

       ______________________________________________________________________________
       ______________________________________________________________________________


   3. Why doesn’t the processor read information directly from the computer’s hard drive?

       ______________________________________________________________________________
       ______________________________________________________________________________


   4. What is the job of the video processor, or graphics card? How do it’s calculations differ from the
      main CPU?

       ______________________________________________________________________________
       ______________________________________________________________________________


   5. Between RAM and hard drives, which is faster? Which is less expensive?

       Ram:          __________________________

       Hard Drive:   __________________________


   6. What type of hard drive configuration provides increased storage reliability?

       __________________________


   7. What do we call the part of the computer that allows the CPU, memory, video processor, I/O
      drives, ports, etc. to communicate?

       __________________________




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                                              In-Class 5                                   Spring 2010




8. What are the five traditional services the kernel provides?

   __________________________

   __________________________

   __________________________

   __________________________

   __________________________


9. What type of user interface does Windows use?

   __________________________



10. What do we call the software that helps the operating system understand how to use a specific
    piece of hardware?

   __________________________




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