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Discussion on: A laundry list of things I never heard of from bootcamp

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Josh Hadik • Edited

I think another “nice to have” skill would be a general understanding of how computers work under the hood. Things like how RAM stores information, how bits and bytes work, how the CPU processes data, what the heap and the stack are, etc.

This kind of knowledge definitely isn’t necessary to be a developer and most devs won’t ever need to worry about such low level concepts, but ever since starting to learn them (which I only started doing a few weeks ago), I’ve found a lot of the things I actually do work with on a daily basis make a lot more sense.

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Jen Chan

I'm wondering what you mean by "low level" as opposed to "high level" as I hear of it used a lot.

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Josh Hadik

Both terms are kind of relative, but basically it means the closer to the computer hardware you get the lower you go.

So when talking about languages, machine code (binary) is the lowest level language, assembly is a slightly “higher” but still extremely low, C is an even “higher” level language, but still relatively “low” compared to Ruby or Python which both take care of things like garbage collection and memory allocation for you.

I used it to refer to the actual hardware (RAM, CPU, etc.), which is about as “low” as you can get.

Also, like I mentioned above, it’s usually used as a relative term, which sometimes makes it hard to understand. Someone who works in Python might refer to C as a low level language, meanwhile someone who works in assembly might call C a high level language. What they really mean is that it’s a “higher” or “lower” level language than what they’re used to writing.

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jenc profile image
Jen Chan

Thank you for the detailed and comprehensive explanation! Term demystified :D

Maybe it's a bit of intergenerational tension but I for some reason think of C as "my dad's time" but of course people still use it. It's probably because my dad really hoped I would learn C when I was younger.

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Jen Chan

lol is "replacing an iPhone screen" a CV bullet point? 🤔