A driver is a specially written program which understands the operation of the device it interfaces to, such as a printer, video card, sound card or CD ROM drive. It translates commands from the operating system or user into commands understood by the the component computer part it interfaces with.
The Mental Age Test consists of 20 statements. Answers are multiple choice. Your first answer is your final answer. Statements are selected at random. 9,332,812 people have now taken this test. Nobody will see your answers - so be honest !
a numeric expression of a person's intellectual level as measured against the statistical average of his or her age group. On several of the traditional scales, it is determined by dividing the mental age, derived through psychological testing, by the chronological age and multiplying the result by 100.