8.10b - first impression and questions

[Derek Broughton]

Billie Erin Walsh wrote:

> Derek Broughton wrote:
>> Knapp wrote:
>>> What is not perfect on the
>>> home systems is often the hardware and other peoples software that it
>>> must interface with anyway. When you release a piece of software it
>>> must not work with just one type of hardware but 1000s! It is really
>>> impossible to test 1000s of possible hardware types that you might
>>> have your software run on and it is not cost effective ether. Zero
>>> fault software is the sort of stuff that NASA uses.
>>>     
>>  
>> Like the lander software for Mars missions :-)
>>
>> You're essentially right, I just can't agree that there's much perfect
>> sotware out there.
>>   
> 
>  From one Discovery show I watched it was more of an error in thought
> process for writing the software than an actual software problem. It
> seems that someone thought it would be better if the lander rockets
> pulsed rather than firing continuously. 

Which may or may not have worked - but the engineer who wrote it screwed up
a Metric/US measurement conversion, so the software fired at the wrong
time.
-- 
derek