QUES: Q: What do Macs lack that makes them unable to run many legacy PC operating systems?
A: In particular, Intel-based macs lack the A20 gate.
Does the answer answer the question?

ANS: yes

QUES: Q: What African group did Nasser help to form?
A: During this period, Nasser made Egypt a refuge for anti-colonial leaders from several African countries and allowed the broadcast of anti-colonial propaganda from Cairo.
Does the answer answer the question?

ANS: no

QUES: Q: What does the anaerobic corrosion of iron lead to?
A: The anaerobic corrosion of iron leads first to the formation of ferrous hydroxide (green rust) and can be described by the following reaction:
Does the answer answer the question?

ANS: yes

QUES: Q: Who criticized Milliband for posing with a copy of The Sun showing the Hillsborough disaster?
A: Organisations representing the relatives of Hillsborough victims described Miliband's action as an "absolute disgrace" and he faced criticism too from Liverpool Labour MPs and the city's Labour Mayor, Joe Anderson.
Does the answer answer the question?

ANS:
yes