Storing Video

15 Questions

Settings
Please wait...
Video Quizzes & Trivia

SDM Magazine's 5-Minute Tech Quiz


Related Topics
Questions and Answers
  • 1. 
    Which of the following cables has the least attenuation?
    • A. 

      RG59

    • B. 

      RG11

    • C. 

      RG6

    • D. 

      RG101

  • 2. 
    The proper way to frame an image for maximum clarity is to:
    • A. 

      Increase the resolution of the recording.

    • B. 

      Increase the frame rate to capture more images per second.

    • C. 

      Use an adjustable focal length lens to record the exact area to be recorded.

    • D. 

      Increase the size of the cable powering the camera.

  • 3. 
    Of the two, PAL and NTSC, the one that is used in most of North America is:
    • A. 

      PAL.

    • B. 

      NTSC.

  • 4. 
    Real-time recording is considered to be recoding at _______ frames per second.
    • A. 

      15

    • B. 

      30

    • C. 

      60

    • D. 

      5

  • 5. 
    Format used to standardize the horizontal and vertical resolutions in pixels of YCbCr sequences in video signals.
    • A. 

      TIFF

    • B. 

      CIF

    • C. 

      MPEG

    • D. 

      JPEG

  • 6. 
    The lower the Frames Per Second the greater the storage capacity.
    • A. 

      True

    • B. 

      False

  • 7. 
    Which of the following is larger?
    • A. 

      Gigabyte

    • B. 

      Megabyte

    • C. 

      Bit

    • D. 

      Terabyte

  • 8. 
    The only way to obtain a greater storage capacity on a DVR is to change the frames per second that the device is capturing. 
    • A. 

      True

    • B. 

      False

  • 9. 
    A “basic” CCTV system includes a DVR as a part of the system.
    • A. 

      True

    • B. 

      False

  • 10. 
    The type of  RG59U that will produce the best NTSC standard video signal and clearest video image for CCTV is a:
    • A. 

      Copper center conductor, with a 95% aluminum braid shield.

    • B. 

      Center conductor, with a 100% aluminum braid shield.

    • C. 

      Copper center conductor, with a 30% copper braid shield.

    • D. 

      Copper center conductor, with a 95% copper braid shield.

  • 11. 
    When using a video recording device (VCR / DVR) the term “Triplex” usually refers to:
    • A. 

      A device capable of recording three camera views at the same time.

    • B. 

      A device capable of three tasks at the same time (usually record, playback, and zoom or other display functions).

    • C. 

      a tri-view device capable of performing two simultaneous functions like record and playback.

    • D. 

      No such term exists

  • 12. 
    Using a balun will improve the quality of the stored image.
    • A. 

      True

    • B. 

      False

  • 13. 
    To improve the amount of video a DVR can store, a compression connector should be used.
    • A. 

      True

    • B. 

      False

  • 14. 
    A CCTV security survey should include which of the following?
    • A. 

      The number of cameras needed to be recorded

    • B. 

      The number of days of storage

    • C. 

      Quality of the image

    • D. 

      Refresh rate of the recorded image (fps)

    • E. 

      All of the above

  • 15. 
    Many DVRs have the ability to zoom in and crop a stored image. This usually will result in:
    • A. 

      A higher quality image than originally recorded.

    • B. 

      A “pixelized” image that is of a lower quality than the original image.

    • C. 

      An image that is acceptable to the authorities because it is not considered to be an altered image.

    • D. 

      All of the above.

    • E. 

      None of the above.