The point of an IQ test is to measure g, or general mental ability. In other words, if a computer can test well on one IQ test, it may also test well on other IQ tests, since it should be general. Otherwise, it's a domain-specific ability for a specific IQ test, which wouldn't be as interesting.
If a system could perform generally well, then the implications are astounding. It could imply general analogizing capability. It would also mean AI came way faster than anyone thought.
If a system could perform generally well, then the implications are astounding. It could imply general analogizing capability. It would also mean AI came way faster than anyone thought.