High-performance addressing

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High-performance addressing (HPA) is an LCD passive-matrix display technology commonly found on low-end portable computers; versions of HPA have been developed by Hitachi and by Sharp.^[1] HPA enables higher response rates and contrast, displaying up to 16-million colors; however, HPA displays lack the crispness that is found with an Active-matrix display.^[2] HPA uses a technique called multiline addressing in which the incoming video signal is analyzed and the image is refreshed with a frequency as high as possible.^[1]

References

^ ^a ^b "Input/Output Systems and Peripheral Devices" (PDF). utcluj.ro. 2010-11-18. Archived from the original (PDF) on 2011-07-22. Retrieved 2011-01-30.
^ "High-Performance Addressing - HPA". Computerhope.com. Retrieved 2011-01-30.

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[lecture-1] "Input/Output Systems and Peripheral Devices" (PDF). utcluj.ro. 2010-11-18. Archived from the original (PDF) on 2011-07-22. Retrieved 2011-01-30.

[2] "High-Performance Addressing - HPA". Computerhope.com. Retrieved 2011-01-30.

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