Plot hole: This observation regards a computer whose memory architecture is on a physical scale (e.g., size) that allows multiple humans to enter and maneuver within it. With electronic components, scale imposes a design limitation such that the greater the distance between components, the more time is required for a signal to traverse between components. This computer's massive size would assure substantial performance limitations which are inconsistent with the plot line of the computer's overall power.

Eagle Eye (2008)
1 plot hole
Directed by: D.J. Caruso
Starring: Billy Bob Thornton, Michael Chiklis, Michelle Monaghan, Rosario Dawson, Shia LaBeouf
Factual error: When they are arguing under the power lines, ARIA makes one of the power lines explode off the power line and kill someone. This is impossible as there is no way to pinpoint a surge of electricity to a single location like that. If anything were to happen at all during a surge a breaker or fuse would blow, however the wires would not snap and fall. Which brings me to the second point: there were no breakers or fuses where they were. Just to make it clear, no, those things holding up the wires on the power poles are just insulators keeping the wires from actually touching the power poles.
Zoe Perez: You don't have a choice. Look. Now, neither of us know if either of those brothers are guilty or innocent, so on behalf of the Secretary of the Air Force, I'm going into that room.
Agent Thomas Morgan: Well, on behalf of all that fucking bomb equipment in junior pinhead's apartment, no, you're not.
Trivia: The voice of ARIIA is actually Julianne Moore who went uncredited for the role.
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Chosen answer: I'm pretty sure it's to prove to the people watching the movie and to both Jerry and Rachel what can happen if they disobey, as after this event they followed the orders from ARIA closely.