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.

Karnaugh Maps

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.

Logic Symbols

By Terry Bartelt

The schematic symbols of logic gates used in digital circuits are shown.

The Welder's Tool Bag

By lloyd

In this learning object, youâ€™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.

AND Gates

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.

Demultiplexers

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.

Sine Bar

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.