In addition, some of the materials used in IQ tests may be totally foreign to certain cultures, thus creating inequalities and biases. It is interesting to note that IQ scores have increased so much over the 20th century that most of today's test takers would be considered 'geniuses' by 1900 standards.
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.
What is DSL, and what benefits and advantages does it offer? DSL (Digital Subscriber Line) is a technology that provides high-speed Internet bandwidth connections to individual homes and businesses.DSL uses the same line as your regular telephone service, but it can provide the higher data speeds because it uses digital modems.DSL has become a reliable service to meet the needs of customers who demand high-speed Internet access.DSL technology offers three major advantages over dial-up Internet access: much higher speeds, a constant âalways-onâ connection, and talk-and-surf capability.1. Speed â DSL can deliver more than 100 times the network performance of a dial-up modem.SL uses the same line as your regular telephone service, but it can provide the higher data speeds because it uses digital modems. DSL has become a reliable service to meet the needs of customers who demand high-speed Internet access.