In this learning activity you'll practice using the 4-input truth table.
Internal Elements of a 555 Timer
By Terry Bartelt
In this highly interactive object, learners examine the internal elements of a 555 IC and their operation. Learners then test their knowledge in a variety of exercises.
Programming Hurco Controller – Manual Mode
By Dave Hoffman
In this learning activity you'll review an explanation of how to operate the Hurco Controller in the manual mode.
Lathe: Left-Hand Thread Cutting
By Kelly Curran
This document is a visual and text description of left-hand thread cutting on a lathe.
Opens and Shorts in a Parallel Circuit
Learners examine the changes in current and voltage values in a parallel circuit when open and short conditions develop. Ohm's Law calculations are shown, and a brief quiz completes the activity.
Abbreviations Representing Electrical Quantities
In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.
Signed Binary Numbers: 2's Complement
By John Casey, Terry Bartelt
Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.
Overflow and Underflow for Signed Binary Numbers
By John Casey, Terry Bartelt, Terry Fleischman
Learners examine the occurrence of overflow and underflow conditions in a programmable logic controller. It is recommended that users view the learning object “Signed Binary Numbers” in advance of this object.
Converting Between Gray and Binary Codes
Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.
An Algorithm for Converting a Decimal Number to a Binary Number
By Kevin Ritzman
In this learning activity you'll examine a systematic method for converting a decimal number (base 10) into a binary number (base 2).
Converting hexadecimal, binary and decimal numbers.
Basic Internet concepts for kids
Test your knowledge of multimedia acronyms commonly used in the computer industry.
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