Joseph Henry in about 1835. He is American and he made something called a relay.
If the pings are successful you are either on the same subnet and everything is configured correctly or ICMP echo is enabled on the router which it should be by default internally. Externally, ICMP can/should be disabled to avoid DOS attacks.
Answer:
provides the platform that application software runs on, manages a computer's hardware, and implements features like file and folder management.
Explanation:
