1. общий Was the first analog computer built in 1930 by an American named Vannevar Bush? 2. специальный When was the first analog computer built by an American named Vannevar Bush?
3. к подлежащему What was built by an American named Vannevar Bush in 1930?
4. альтернативный Was built by an American named Vannevar Bush in 1930 or in 1931?
5. разделительный
In 1930 the first analog computer was built by an American named Vannevar Bush, wasn't it?