Serial vs
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Questions and Answers

Which type of bus sends a single bit at a time?

  • Parallel bus
  • Neither serial nor parallel bus
  • Serial bus (correct)
  • Both serial and parallel bus
  • Which type of bus requires more traces for data transfer?

  • Neither serial nor parallel bus
  • Both serial and parallel bus
  • Parallel bus (correct)
  • Serial bus
  • What is DMA primarily used for?

  • Reducing the burden on the main memory
  • Transferring data to and from peripheral devices (correct)
  • Enhancing DMA controller functionality
  • Improving CPU efficiency
  • In traditional data transfers, which component handles the task of reading or writing data from/to peripheral devices?

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

    What is the purpose of a DMA controller in a system with DMA capability?

    <p>To handle data transfers between peripheral devices and RAM</p> Signup and view all the answers

    Which of the following is true about DMA?

    <p>DMA controller is a piece of hardware that manages data transfers between peripheral devices and memory</p> Signup and view all the answers

    What is the main purpose of DMA in a computer system?

    <p>To improve the efficiency of data transfers and reduce the burden on the CPU</p> Signup and view all the answers

    Which of the following devices often need to exchange data with the main memory?

    <p>Sound card</p> Signup and view all the answers

    What is the role of a DMA controller in a system with DMA capability?

    <p>To manage data transfers between peripheral devices and the CPU</p> Signup and view all the answers

    What is the purpose of DMA channels in a DMA controller?

    <p>To manage data transfers between peripheral devices and memory</p> Signup and view all the answers

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