1) no. Go to the bathroom or relax and close your eyes for a few minutes. I had a soda and a bag of mixed nuts to munch on to get some energy before the next round. Any way you look at it, no electronic devices.
2) no. Scores are not given for about a month and are automatically reported to the application services. It is going to be a loooooooong month. But is only one of many long months. The time between application and interviews, between interview and acceptance, and between acceptance and attending are all long months!
dsoz