Learning Technology - General description of immediate needs
(1-6 months) I. Classroom presentation equipment Projection
device : Usage : For multimedia presentation in class lectures.
There are 4 categories of projection devices that can be used
depending on the size of the audience. - 1. LCD panel ($ 3,000 -
$ 7,000) - For class size larger than 20 students, this is the
best solution to display images. For multimedia presentation,
LCD panels with thousands color display (16-bit or more) and 10"
active matrix will be highly recommended over those 8.4" passive
matrix with only 256-color display (8-bit). Most commercial
class materials are already (or are going to be) using 16-bit or
better colors. If 16-bit graphics are displayed in 256-color,
undesired and unexpected color alternation will occur. This
problem is particularly serious for presenting video, 256-color
passive matrix LCD panel is not adequent for this kind of task,
because it will become a concern and an inconvenience for the
professors in using