Discusses three types of sensors; pressure, gas detection, and relative humidity. Explains their use for laboratory measurements of gas pressure and detection of specific gaseous species. Shows diagrams of devices and circuits along with examples and applications including microcomputer interfacing. (RT)

Discusses the use of microcomputers in science education: (1) computer-assisted instruction; (2) testing; (3) data processing; (4) simulation; (5) teacher assistance; and (6) data collection. Gives educational applications of microcomputer-based laboratories, pointing out advantages and disadvantages. Outlines current drawbacks and makes…

This two-part article deals with the design and construction of a primitive Von Neumann computer using a logic design simulator. Describes the design of the computer memory and its register structure. Six layouts of the computer architecture are presented. Lists three references. (YP)

Describes a project that prepares teachers to be computer literate by writing computer programs, constructing computer modules, and then integrating the teacher generated hardware and software into science laboratory experiences. Presents goals, descriptions of interface modules, reaction of participants, and objectives. (MVL)