Answer:
Is there more to the question? But I have had this question already and the answer is B)
Open up setting, cellular option, and you can view the amount of mobile data each of your apps take
The answer is a. the government developed a computer system to be used in military communications. It started in the 1960s and was developed and used to serve as communication without experiencing disturbances from bombs and gain security for military purposes. This was the time when ARPANET (Advanced Research Projects Agency Network) came into the picture. Soon it was opened to people starting from the 70s when emails were used and became more popular. It then paved for further development and largely contributed to technology and communication.
The Computer Fraud and Abuse Act I believe. Sorry if I’m wrong and I hope that it helps :)