Indirect Measurement Instruments
By Kelly Curran
The learner will define indirect measurement, identify common indirect measuring tools, and select the proper measuring tool for the situation.
The Dial Caliper
By Barbara Anderegg
Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.
How to Read a Caliper
In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.
Synchronous & Asynchronous Inputs on a JK Flip-Flop
By Patrick Hoppe
Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.
How Small Is a Millionth of an Inch?
In this learning activity you'll determine the measurement to be made and the accuracy required.
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.
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Calculating Lengths for Tube Bending
By Dave Hoffman
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.
Sine Bar Quiz
In this learning activity you'll calculate sine bar problems.
The 4-Input Truth Table
In this learning activity you'll practice using the 4-input truth table.
Reading Vernier Height Gage Quiz
Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.
By Terry Bartelt
The schematic symbols of logic gates used in digital circuits are shown.
The Welder's Tool Bag
In this learning object, you’ll explore what tools should be a part of every welding tool bag.
Boolean Theorems (Single Variable)
Students analyze the eight single variable Boolean theorems and their expressions.
The MOD Number
Learners read how to calculate the MOD number and how it is used.
Print Reading: An Alphabet of Lines in Print Reading
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 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.
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.
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.
Logic State Indicators
Instructions on how to interpret state indicator symbols for input and output terminals of digital devices is presented.
Hexadecimal Number Conversion Practice Problems
In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.
Boolean Theorems (Multivariable)
Students read the multivariable theorems and view the graphic depictions of the Boolean expressions.
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.
In this learning activity you'll examine how a sine bar is used to measure angles.
Everyone Knows How to Use a Ruler, Right?
Students review the best practices for using a ruler and answer five basic questions.