How to Read a Caliper
By Barbara Anderegg
In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.
A Drill for Converting Binary Numbers to Decimal Numbers
By John Rosz
Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.
Reading a Micrometer
By Sue Silverstein
In this learning activity you'll practice reading a micrometer.
By Patrick Hoppe
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Print Reading: An Alphabet of Lines in Print Reading
By Kelly Curran
In this animated activity, learners read about the types of lines found on blueprints. A quiz completes the activity.
In this learning activity you'll examine how a sine bar is used to measure angles.
The Dial Caliper
Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.
Clock Pulse Triggering of Flip-Flops
By Terry Bartelt
This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.
A Sample Exam for Digital Electronics
Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.
After a brief review, the student solves five practical shop problems using right angle trigonometry.
Everyone Knows How to Use a Ruler, Right?
Students review the best practices for using a ruler and answer five basic questions.
In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.
Synchronous & Asynchronous Inputs on a JK Flip-Flop
Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.
The schematic symbols of logic gates used in digital circuits are shown.
Building a Binary Counter with a JK Flip-Flop
In this animated activity, learners examine the construction of a binary counter using a JK flip-flop. The ability of the JK flip-flop to "toggle" Q is also viewed.
Indirect Measurement Instruments
The learner will define indirect measurement, identify common indirect measuring tools, and select the proper measuring tool for the situation.
In this animated object, learners examine three different types of multivibrators: astable, monostable, and bistable. A brief quiz completes the activity.
Cascading Magnitude Comparators
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.
Print Reading: Step Block
In this animated print reading exercise, the learner calculates missing dimensions and identifies surfaces on projected views.
Basic Logic Gates
By Terry Bartelt, Terry Fleischman
The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.
The Welder's Tool Bag
In this learning object, you’ll explore what tools should be a part of every welding tool bag.
In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.
Calculating Blank Size for Rolled Sheet Metal
By Dave Hoffman
In this interactive object, students read how to calculate the blank size for cylinders in a three-roll pinch roller. A calculator is required for the brief quiz that completes the activity.
Calculating Lengths for Tube Bending
The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.
Boolean Theorems (Single Variable)
Students analyze the eight single variable Boolean theorems and their expressions.