The court will be shown video footage of Masood hiring a car, buying knives and carrying out reconnaissance, as well as the attack itself.
Experts are expected to be called, including a psychologist, who has also been asked to prepare a "psychological autopsy" on Masood.
The attack in central London last year lasted 82 seconds.
In that time, 52-year-old Masood mounted the pavement in a rented Hyundai Tucson, drove into pedestrians, and crashed the car into railings outside the Houses of Parliament.
Mother-of-two Aysha Frade, 44, US tourist Kurt Cochran, 54, and retired window cleaner Leslie Rhodes, 75, died after being hit on the bridge.
Romanian tourist Andreea Cristea was knocked into the Thames from the bridge. She died just over two weeks later.
After crashing, Masood got out of the car, ran around the fence and entered the Palace of Westminster's Carriage Gate to continue his attack.
He then fatally stabbed PC Palmer, 48, who was unarmed.
Masood was shot dead by plain-clothed armed officers at 14:41 GMT.
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