Schoolroom education has become more interactive these days and makes extensive use of computers, projectors, audio systems and other audio visual equipment. In fact, audio visual equipment has become a vital part of every school’s infrastructure, from classrooms, laboratories to auditoriums. While some computers and projectors are purchased by the school, equipment for events such plays, recitals... 

How many individuals will need to see the screen? A 42 inch plasma screen is the most popular size and will usually be sufficient for a smaller meeting – up to 20 people. Some other sizes, bigger and smaller, are also available, including 32, 37, 40, 50 and 61. Remember that these TV sizes are a measure of the diagonal dimension of the screen, so a small variation in this vital statistic can...