QUES: Q: How many times could it add or subtract a second?
A: It combined the high speed of electronics with the ability to be programmed for many complex problems.
Does the answer answer the question?

ANS: no

QUES: Q: Which people arrived in the British Isles when the Roman Empire's power was diminishing?
A: In time, Anglo-Saxon demands on the British became so great that they came to culturally dominate the bulk of southern Great Britain, though recent genetic evidence suggests Britons still formed the bulk of the population.
Does the answer answer the question?

ANS: no

QUES: Q: What date did the U.S. intervention in New Mexico end?
A: The United States joined World War I in 1917 on the side of Britain, France, Russia, Italy and other allies.
Does the answer answer the question?

ANS: no

QUES: Q: What is an important goal in in this final stage?
A: A key goal during this stage is data independence, meaning that the decisions made for performance optimization purposes should be invisible to end-users and applications.
Does the answer answer the question?

ANS:
yes