Hexadecimal numbering uses a base-16 system that’s very convenient for IT techs. It’s important to look at a hex value and understand the equivalent binary value.
- The computer world is full of binary … and it should be full of binary. … Everything we do is wires going on and off … or storage areas going on and off. … So one and zero is the normal way that computers speak. … And often we don't talk about just a one or a zero, … but we talk about a width of them. … Sometimes we talk about 32 bit CPUs, or 64 bit CPUs, … or sometimes we talk about … eight bit external data buses or 16 bit registers. … Or if you get into graphics cards, we have 256 bit memory. … The important thing that all of these different chunks … of ones and zeros have, is that they all have a least common … denominator of four. … All of the numbers I just told you are divisible by four. … Eight, 16, … 32, … 64, … 128. … And if we know that … we can actually do something kind of cool. … Let me show you something over here on my computer. … So I'm going to run a command called ipconfig … which we go over in great detail in others episodes. … And I want you to take a look at this. …
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