A compiler is often used when you want to test your code; that would often be your second step.
Is one of the answers thumbnail? If so, select it.
Answer:
The computer that responds to requests from the client computer:
Server
Connects network devices or different parts of a network:
Switch
A piece of equipment that directs data where it should go:
Router
Connects many different Ethernet devices and allows them to connect to the network with one connection:
Hub
The computer that uses service provided by a server:
Client
Explanation:
