Let ∑ = {a, b}. Write a Context-Free Grammar for the language consisting of strings that have n copies of the letter a followed by n+1 copies of the letter b, where n > 0. i. e. L = {a n b n+1 , n > 0}

A.) generate scaffolding to create database for your application. develop all the entities identified in assignment #2. add any additional that may be identified later. b.) add data validation rules to the models that are appropriate for your application and data. c.) create links for each scaffold in the header section. part 2: application updates [30 points] a.) add two additional views to the "home" controller you created in assignment #1. b.) the two views should be named as “privacy" and "". c.) link the two newly created views in the footer section. hint: you would need to modify the “home" controller definition and create “privacy.html.erb" and “.html.erb" files in appropriate locations.

What is the digital revolution and how did it change society? what are the benefits of digital media?

My has been slow anyone else’s ?