Design of computer circuits used to be a pencil and paper task followed by laboratory tests, but logic circuit design can now be done in half the time as the engineer accesses a program which simulates the behavior of real digital circuits, and does all the wiring and testing on his computer screen. A simulated laboratory in digital logic has been…

The intended, perceived, implemented, and achieved curriculum of high school biology classes in Israel was studied using a variety of data sources and research methodologies. The intended curriculum was identified by analysis of commonly used laboratory manuals. The perceived curriculum was captured by procuring the views of teachers and students…