A+ Essentials Chapter 16

10 Questions | Total Attempts: 526

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A Plus Essential Quizzes & Trivia

It is important to differentiate between inputs and outputs when it comes to computers. In chapter 16 we covered how to identify both input and output devices, how they work on a PC and how to support input/output ports. Test your understanding of this chapter by taking up the quiz below. All the best!


Questions and Answers
  • 1. 
    A serial port receives and sends serial data. What device translates that serialdata into parallel data for the computer to use?
    • A. 

      Parallel translator chip

    • B. 

      Serial translator chip

    • C. 

      COM chip

    • D. 

      UART chip

  • 2. 
    What integrated circuit device controls USB devices connected to a USB port?
    • A. 

      Host controller

    • B. 

      IC-USB

    • C. 

      Serial port

    • D. 

      UART

  • 3. 
    What happens to bus speed and power usage when you plug multiple devicesinto a USB hub?
    • A. 

      The bus speed stays constant, but power usage increases.

    • B. 

      The bus speed increases because each device brings a little burst; power usage increases.

    • C. 

      The bus speed decreases because all devices share the same total bandwidth; power usage increases.

    • D. 

      The bus speed decreases because all devices share the same total bandwidth; power usage decreases.

  • 4. 
    Which port type offers the fastest transfer speed?
    • A. 

      IEEE 1394a

    • B. 

      IEEE 1394b

    • C. 

      Full-Speed USB

    • D. 

      Hi-Speed USB

  • 5. 
    You take a tech call from a user who complains that she gets an error message,“Hub power exceeded,” when she plugs her new thumb drive into her USBkeyboard’s external USB port. Worse, the device won’t work. What’s mostlikely the problem?
    • A. 

      Her USB port is defective.

    • B. 

      She has a defective thumb drive.

    • C. 

      She plugged a Hi-Speed device into a Full-Speed port.

    • D. 

      She plugged one too many devices into the USB hub.

  • 6. 
    What is the fastest speed that Hi-Speed USB 2.0 can go?
    • A. 

      12 Mbps

    • B. 

      120 Mbps

    • C. 

      400 Mbps

    • D. 

      480 Mbps

  • 7. 
    USB 1.1 devices can run at two speeds. What are the speeds?
    • A. 

      1 and 2 Mbps

    • B. 

      1.5 and 12 Mbps

    • C. 

      1.5 and 15 Mbps

    • D. 

      12 and 48 Mbps

  • 8. 
    What’s the maximum cable length for USB?
    • A. 

      1.2 meters

    • B. 

      1.2 yards

    • C. 

      5 meters

    • D. 

      5 feet

  • 9. 
    Which of the following mice technologies most needs to be cleaned?
    • A. 

      Ball

    • B. 

      Optical

    • C. 

      Parallel

    • D. 

      Serial

  • 10. 
    If you attempt to scan an item and the scanner light assembly does not move,what is most likely the problem?
    • A. 

      The scanner is frozen.

    • B. 

      The scanner is broken.

    • C. 

      The scanner light assembly is locked.

    • D. 

      The scanner light assembly is resetting.