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 does a DSL transmit over telephone lines? DSL stands for Digital Subscriber Line and is the parent word to describe the technology that allows the transmission of data over the copper line originally installed in the â¦ ground to connect you to your local telephone exchange in order to transmit your phone calls.