Episode 8.01 - Intro to Error Detection
Digital data has many benefits, but what happens if it's in error? Moreover, how can we tell if a bit has been flipped? Our discussion begins with parity.
Episode 3.09 - UTF-8 Encoding and Unicode Code Points
enAugust 31, 2019
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About this Episode
ASCII was developed when every computer was an island and over 35 years before the first emoji appeared. In this episode, we will take a look at how Unicode and UTF-8 expanded ASCII for ubiquitous use while maintaining backwards compatibility.
Recent Episodes from Geek Author
Episode 7.06 - Stupid Binary Tricks
Having learned how to program bitwise operations, it is now time to flex our bit bashing muscles by investigating some creative ways to perform common programming functions.
Episode 7.06 - Stupid Binary Tricks
Having learned how to program bitwise operations, it is now time to flex our bit bashing muscles by investigating some creative ways to perform common programming functions.
Episode 7.05 - Flipping Bits using the Bitwise Inverse and Bitwise-XOR
Inverting or flipping the bits of an integer is the third and last method of "bit bashing" we will discuss. There are two ways to invert bits: either flip all of them at once or use a mask to identify which bits to flip and which to leave alone.
Episode 7.04 - Setting Bits using the Bitwise-OR
The ability to set bits may not seem important at first, but many algorithms in computing depend on just that. Join us as we control bits and build integers from scratch using the bitwise-OR.
Episode 7.03 - Coding Bitwise Operations
Discussing how to use bitwise operations to manipulate the bits of an integer would be academic if we couldn't perform the operations in our code. The good news is that we can!
Episode 7.02 - Clearing Bits using the Bitwise-AND
Clearing bits within an integer is important if we want to isolate bits or set them to zero before we insert a new value. The bitwise-AND does this for us.
Geek Author
enMarch 21, 2020
Episode 7.01 - The Need for Bitwise Operations
All areas of computing, from data compression to web design, from networking to digital image storage, from system administration to high-performance computing, benefit from bit manipulation.
Episode 6.10 - Demultiplexers
A demultiplexer takes a single data stream and routes it to a selected output channel, a bit like one of those old A-B printer switches we used to physically select which printer we were sending data to. In this episode, we show how to design one.
Episode 6.09 - Multiplexers
A multiplexer, sometimes referred to as a data selector, allows us to select which digital stream to route to an output. Designing this circuit is a lot easier than it sounds.