First, there are receptive vocabulary size tests like the Vocabulary Levels Test (Nation 1983, 1990), The Yes/No Vocabulary Test (Meara and Buxton 1987; Meara and Jones 1990), The Revised Edition of the Vocabulary Level Test (Schmitt, Schmitt and Clapham 2001) and ADELEX Levels Vocabulary Test (
ALVT) (Lopez Mezquita 2003, 2005) that are valid.
These devices are designed for medium-slot, medium- and heavily-loaded backplanes, fully support live insertion and can increase data backplane throughput by 100% to 300% over traditional logic, such as ABT, FCT, LVT,
ALVT, LVC and FutureBus+ according to the company.