Due to some sort of internal Dec sales war you could buy the same hardware running VMS($$$$),Ultrix($$$),or NT($) - we bought NT and wiped the machines then installed Linux.
They gave you Sparc ultra performance for 1/2 the price.
The purpose of public education was child care and to teach children - especially countryside children - the idea of turning up at work on time every day, sitting quietly and doing as they were told.
It was a big problem in the industrial revolution - trying to get people to understand that they had to turn up at the same time in the summer and winter - which was a big change if you had been used to getting up with the sun for the previous 2000 years
I'm glad then that teachers don't go into engineering.
Another plane crashed today - one of the turbine blades was cracked but we decided to give it sensitivity training to get in touch with it's inner strength rather than callously replace it.
You throw kid A out of the class for behaviour, but you don't throw kid B out because he is usually OK.
But then kid A's parents get mad - or think they can make some money - and it turns out that kid A is belgian/green skinned/three eyed/an FSM worshipper and you have a lawsuit. Or at least the threat of a lawsuit which can go away with a large enough payment.
Throw out all kids that break any rule and you have been perfectly fair
Usually the reader has a local log of the last few cards read. If it detects the same card again within a certain time window it assumes it either read it twice - or two people are sharing a card - and ignores the second read
They gave you Sparc ultra performance for 1/2 the price.