From the course: CompTIA A+ Core 2 (220-1202) Cert Prep

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Hexadecimal

Hexadecimal

- 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, sixteen, thirty two, sixty four, a hundred twenty eight. 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 IP config, which we go over in great detail in other episodes, and I want you to take a look at this all…

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