home | list info | list archive | date index | thread index

Re: [OCLUG-Tech] What does a computer do?

William Case wrote:
> Hi;  For any who might be interested in the question I posed a few
> minutes ago, I have made some adjustments to quoted paragraph.  It now
> reads:
> 
> "A digital computer is an appliance that takes in information meaningful
> to humans; converts it into electrical data; stores it; may or may not
> transform the data; and presents it as information to humans.
> 
> Electrical data consists of a set, or continuous stream, of lower or
> higher voltage pulses or bits.  Data is transformed by transistors
> switching electrical data from one circuit to another. 


Us old farts would probaly change that to active devices.  ALthough I
don''t know if anyone has ported Linux ot a 1401 or other Vacuum tube
computer.

> The possible
> transformations are: changing a higher voltage bit to a lower voltage
> and vice versa; arithmetic addition of two sets of data bits; and, 
> moving data from one meaningful location to another meaningful 
> location within the computer."
> 
> Regards Bill
> 
> _______________________________________________
> Linux mailing list
> Linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca
> http://www.oclug.on.ca/mailman/listinfo/linux
>