Edinburgh Theory Test Centre
25 Union Street
NB. You cannot book your theory test at the addresses above.
Use the link below.
Ensure that you book at the official DSA website
The theory test is a computer-based
test
consists of 50 multiple choice questions. The pass mark is set at 43 out of 50. In addition you need to do a hazard perception test. This test has 14 segments of video film taking "in-car" and you have to click the mouse when you see the hazards. You have to pass the theory test before applying for the practical test.
There is more information about the theory test at Practice Theory Tests and the DSA website.
You can apply for your theory test here