Geek Author

In this episode, we continue our discussion of twos complement binary representation by covering overflow and how shifting left and right can be used to perform multiplication and division by powers of two.

In this episode, we continue our discussion of twos complement binary representation by covering overflow and how shifting left and right can be used to perform multiplication and division by powers of two.

In this episode, we switch from base ten to binary as we introduce twos complement representation and show how computers store and manipulate signed integers.

In 1645, Blaise Pascal presented his Pascaline to the public. Using only addition and the method of tens complement, the device could add, subtract, multiply, and divide. We discuss tens complement as an introduction to signed representations in binary.

It may sound trivial, but in this episode we're going to learn to add and subtract...in binary. This will serve as a basis for learning about negative binary representations and the circuitry needed to perform additions in hardware.

We continue our discussion of Gray code by presenting algorithms used to convert between the weighted numeral system of unsigned binary and the Gray code ordered sequence. We also show how to implement these algorithms in our code.

Counting is pretty basic, right? Zero, one, two, three, four, and so on. This episode of Geek Author presents a situation where we might want to rearrange the sequence of integers in order to provide better reliability in our digital circuits.

Dividing up the range of analog values into discrete binary values during the analog to digital conversion process forces us to incur a rounding error. See what that error looks and sounds like in this episode of Geek Author.

Converting an analog signal to digital involves more than just digitizing some measurements. Consequences result from sampling an analog signal and care has to be taken to capture all the desired frequencies and avoid creating new ones.

Does capturing analog measurements with a computer sound like so much hocus pocus? In this episode, we will take a stab at lessening some of that mystic by showing how the Arduino platform can be used to perform this conversion.