5. Asynchronous Programming and Websocket

Dart is a single threaded programming language.

• True

• False

What is asynchronous programming?

• Is a form of parallel programming which allows some work to run separately from the main application thread.

• A form of parallel programming which allows to run code in the background.

• A form of parallel programming which allows code execute with delay.

What is the benefit(s) of asynchronous programming?

• Makes apps responsive.

• Improves app performance.

• Both

What is the difference between Future and Stream?

• Future has one response but a stream could have any number of responses or so called events.

• We don’t need to wait for responses with streams.

• We don’t need to wait for responses with futures.

• They are the same.

What is the difference between WebSockets and HTTP?

• HTTP is Unidirectional but Websockets is Bidirectional.

• Websockets keeps connection alive.

• Websockets is used when real-time updates or continues streams of data is being transmitted over the network.

• All the options.