The familiar arrangement of letters used on English language keyboards known as QWERTY originated with the first commercially successful typewriters patented in 1878 by Christopher Latham Sholes. The purpose of his design was to prevent mechanical jams by spreading out the most frequently used letters.
Many alternative arrangements have been proposed over the years, most notably the Dvorak Simplified Keyboard introduced in the 1930s by Dr. August Dvorak. Though adopters of his design achieved faster typing speeds than possible with the QWERTY layout, it was never successfully marketed. Consumers were satisfied with what they had and could not be persuaded to relearn how to type.Learn More
The NCRC test, or National Career Readiness Test, is a workplace skills certification offered by the American College Testing organization. Test takers can study for the NCRC at home or online.Full Answer >
A “fair test” refers to an experiment that is carefully controlled to ensure that the information gathered is reliable. Fair tests are used in the fields of science, psychology and medicine, among other disciplines. To guarantee the validity of an experiment, a control group is utilized, biases are limited, interfering variables are controlled and an adequate sample size is used.Full Answer >
The American Council on Education offers the General Educational Development, or GED, across the United States for people who do not have a high school diploma. The GED test is available by making an appointment using the GED website to take the test at an approved learning center. Receiving a GED certificate is not the same as graduating high school, but is often accepted in its place.Full Answer >
A Series Seven study guide is an educational resource and test prep guide for individuals preparing to take the Series 7 exam. The Series 7 exam is administered by the Financial Industry Regulatory Authority and certifies individuals to process corporate security trades.Full Answer >