>>> TLB - convert from virtual memory addresses to physical memory 
>>> addresses. It's basically a cache of the page mappings.
> 
>> Ah yes - those animals. I knew I had read about TLBs somewhere somewhen.
> 
>   Same here: I knew the concept existed, but the I was not so familiar
> with its *name* that I could make the connection.
> 
>   Which makes the question maybe a bit unfair: Even if the person does know
> what it is about, if he can't remember it from its name, it will look like
> he doesn't know about that subject at all.
> 
>   Besides, in which job would it be necessary to know this?
> 
>   Unicode encodings? Certainly useful to know. Basic SQL knowledge? Can
> become handy sometimes even in jobs not directly related to databses.
> Knowing what a TLB is and how it works? Exactly where do you need to know
> that? It's not like knowing that would change the way you develop programs.

Well, I guess the idea is that by asking *lots* of [admittedly fairly 
arbitrary] questions, you get some idea of whether the person in 
question knows anything.

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