Answer:
I think it is the first one
Explanation:
You can not communicate directly between Angular and MySQL. You'll need to build a back-end Web service that calls MySql using php or node. Angular can communicate with this back-end Web service via http.
Before the use of technology such as computers, information was documented through papers separated in folders. This was a very long and complicated process as people would have to find information by hand, sorting through countless documents. Now, it is much easier and neater to keep information. It can be as easy as digitally searching for someone's name and the computer will sort through countless documents, finding the one you need almost instantly. It is also much less wasteful and safe, as before computers, the use of paper was the only way to permanently keep information, also making documents vulnerable to being lost or stolen.
Answer:
Simply put: A callback is a function that is to be executed after another function has finished executing — hence the name 'call back'. ... Functions that do this are called higher-order functions. Any function that is passed as an argument is called a callback function.
Explanation:
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:
