[Ilugc] How to display hello in a PC without bootstraploader and OS???!!!

Rajagopal Swaminathan raju.rajsand at gmail.com
Sun Jul 8 22:49:10 IST 2012


On Sun, Jul 8, 2012 at 10:45 PM, Karishma Balan
<karishma.balan at gmail.com> wrote:
> Please answer my doubt..
> Suppose your PC do not have any OS installed.(It has bootstrap loader).
> Then,
> 1.  What will happen as an when you turn ON the system? Will it display
> anything?
> 2.  How to print a hello on monitor without any OS?
> 3. How to use computer or operate anything without any OS? If no OS is
> there, then what does it use for user interface?
> What is the case for above questions when there is no bootstrap loader also.

These sound like test questions.

If you have done your microprocessor studies properly, you can figure
out what a CPU does on reset/power on.

Have you heard of BIOS?



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