Re: A89: supervisor vs usermode...


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Re: A89: supervisor vs usermode...




what are you talking about?

S43R80@aol.com wrote:

> I'm just curious about the difference between supervisor and
> usermode...Actually why does there even have to be 2 different
> modes...wouldn't everything be just as easy (easier) w/ 1 mode which has
> access to all components....ie: interrupts...???  Could someone possibly
> explain the main differences betweeen these 2 modes and perhaps why it is
> even necessary???
>
> -Steven



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