A Guide to Man/Machine Interface

USER-FRIENDLY C: DUR Command not found. Try retyping USER-HELPFUL C: DUR I don’t understand DUR. Do you mean DIR? USER-UNFRIENDLY C: DUR C: DUR C: DUR C: DUR USER-HOSTILE C: DUR Ha! A mistake! I’m sure you meant to say FORMAT, so that’s what I’ll do. USER-INDIFFERENT C: DUR DUR? USER-PATRONIZING C: DUR Now, that’s not quite right is it? Let’s try again; this time, use the manual that the nice salesperson gave you when you bought me. USER-OBSEQUIOUS C: DUR I’m so very, very sorry but I don’t understand that. I’m sure it was my fault, but if you would please try again I’ll do my best. USER-SARCASTIC C: DUR Well, Look who’s made a mistake then. Very unusual, […]

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