Problem: Does "A portable device can recognize the type of USB port; on a dedicated charging port, the D+ and D pins are shorted with a resistance not exceeding 200 ohms, while charging downstream ports provide additional detection logic so their presence can be determined by attached devices." answer the question "What can a portable device recognize?"

A: yes

Problem: Does "It was principally the widespread introduction of a single feature, the pointed arch, which was to bring about the change that separates Gothic from Romanesque." answer the question "What is one example of a Gothic style element that was able to be incorporated because of technological innovation?"

A: no

Problem: Does "Comcast University started in 1999 as well as Comcast Interactive Capital Group to make technology and Internet related investments taking its first investment in VeriSign." answer the question "How much was ComCast Cellular sold for in 1999?"

A:
no