That is to say, the lesson of the QWERTY story remains the resilience of a design created for an outmoded technology's dictates. QWERTY is still an example of technological momentum. But the development of the design wasn't accidental or silly: it was complex, evolutionary, and quite sensible for Morse operators.
The Half Sheet cake is approximately 11 X 15 inches in size and is typically one layer thick but may come in single or multiple layers if a filling is added. Source(s): http://www.usabirthdays.com/delivery/cak...
I believe a 1/2 sheet cake is 12 x 18. There is no right or wrong answer to this because every region seems to have different standards. The following are the ones I seem to see the most and the ones I use. First I consider a sheet cake any cake that is only 2. I do not torte these, if they want filling they need to order a 4 cake. Most people have no idea what sizes these usually are they just use the jargon.