Abstract: A learning management system (LMS) for assisting a student to prepare for an examination based on time-estimates is presented. The LMS receives inputs from the students about available time to study. The study plan includes an estimation of time needed to complete the entire syllabus of the examination. The LMS includes a record of time-estimates needed to complete the study material and maintain a study plan. In addition, the LMS maintain a difficulty-level estimates for each of the study materials as well as the proficiency level of the students. The LMS is adapted to generate a study plan for the student and adaptively update the study plan.

Abstract: Disclosed are various embodiments of methods, systems, devices and components for reducing power consumption in an LCD display that is backlit by LEDs. The various embodiments typically require the use of an array of backlighting LEDs disposed beneath and configured to emit light in the direction of an overlying LCD or LCD panel. In such an array, some LEDs are operated or driven at a first brightness, while other LEDs are operated or driven at a second brightness that is different from the first brightness, or at no brightness at all (i.e., such LEDs are turned off). LED brightnesses and therefore backlighting brightnesses over different portions of display or screen are varied and determined in accordance with the portion of display or screen that a user or processor has selected for viewing (“the area of interest”).

Abstract: Disclosed are various embodiments of methods, systems, devices and components nets for reducing power consumption in an LCD display that is backlit by LEDs. The various embodiments typically require the use of an array of backlighting LEDs 16 disposed beneath and configured to emit light in the direction of an overlying LCD or LCD panel 12. In such an array, some LEDs 16a are operated or driven at a first brightness, while other LEDs 16b are operated or driven at a second brightness that is different from the first brightness, or at no brightness at all (i.e., such LEDs are turned off). LED brightnesses and therefore backlighting brightnesses over different portions of display or screen 10 are varied and determined in accordance with the portion of display or screen 10 that a user or processor has selected for viewing (“the area of interest”).