In relation to the Australian legal system please:

1. Provide the names of the two chambers of the Commonwealth Parliament in Canberra.
2. Provide the names of the two chambers of the New South Wales Parliament in Sydney?
3. Provide the name of Australias head of state.
4. Provide the name of the office of the national presentative of Australias head of state in Canberra.
5. Name the principal Federal Courts in Australia in order of seniority (i.e. lowest to highest).
6. Name the principal State Courts in New South Wales in order of seniority (i.e. lowest to highest).