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...
Typically a full sheet cake pan is 18x24 and will serve 108 2x2servings. This size pan, however, will not fit in a standard oven so manufacturers have created other sizes that are still referred to as full-sheet.. Though the math really doesn't work out: 1/4 sheet pans are 9x13. 1/2 sheet pans are 12x 18. Full sheet pans are 18x24. Typically a full sheet cake pan is 18x24 and will serve 108 2x2servings. This size pan, however, will not fit in a standard oven so manufacturers have created other sizes that are still referred to as full-sheet..