Learners read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.

Learners read a description of the parts of an ironworker and identify them in an exercise.

This document gives the student a text and graphic overview of screw threads and fasteners.

In this learning activity you'll review safety considerations for using a tubing/pipe bender.

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

Students read how to determine the total impedance of a parallel circuit using complex numbers. The "J" term is used in the calculations.

Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

Students work six practice problems to determine the total impedance of a parallel circuit.

Students follow the steps for finding the total impedance for a series-parallel circuit. Several examples are given.

Basic Internet concepts for kids

Converting hexadecimal, binary and decimal numbers.

Test your knowledge of multimedia acronyms commonly used in the computer industry.