Answer:
I believe that Social Networking <em>IS </em>helpful to society, but, people use it for wrong stuff.
Answer:
b. Certificate Authority
Explanation:
Based on the information provided within the question it can be said that they are communicating with each other by using a certificate authority. This term refers to a company or organization that provides security verification by issuing both parties cryptographic keys which are specifically verified by the company in order to allow both parties to know exactly who they are communicating with.
Answer:
By the numbers: “The ENIAC contained 17,468 vacuum tubes, along with 70,000 resistors, 10,000 capacitors, 1,500 relays, 6,000 manual switches and 5 million soldered joints. It covered 1,800 square feet (167 square meters) of floor space, weighed 30 tons, consumed 160 kilowatts of electrical power.” More info
