Serverless computing basics in Intro to Computing - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is serverless computing?

Serverless computing is a cloud service where you run code without managing servers. The cloud provider handles the servers, so you focus only on your code.

beginner

How does serverless computing save time for developers?

Developers don’t need to set up or maintain servers. They just write and upload code. The cloud runs it automatically when needed.

beginner

What is a real-life analogy for serverless computing?

It’s like ordering food delivery instead of cooking. You get the meal without worrying about buying ingredients or cooking tools.

intermediate

What triggers the execution of code in serverless computing?

Events trigger the code. For example, a user clicking a button or a file upload can start the code automatically.

intermediate

What is a common billing model for serverless computing?

You pay only for the time your code runs, like paying for electricity only when you use it, not for keeping the lights on all day.

Which of these best describes serverless computing?

A Running code only on your personal computer

B Using physical servers in your office

C Running code without managing servers

D Buying and maintaining your own servers

Serverless computing means the cloud provider manages servers, so you only run your code without handling server setup.

In serverless computing, when does your code run?

A Only during business hours

B All the time, 24/7

C When you manually start the server

D Only when triggered by an event

Serverless code runs automatically when an event triggers it, like a user action or a scheduled task.

What is a key benefit of serverless computing for developers?

A No need to manage servers

B Servers are cheaper to buy

C You get a physical server at home

D You must install software on servers

Developers focus on code because the cloud provider manages the servers.

How do you pay for serverless computing?

A A fixed monthly fee regardless of use

B Only for the time your code runs

C By buying server hardware

D Paying for unlimited server time

Billing is based on actual code execution time, making it cost-efficient.

Which event could trigger serverless code to run?

A A user uploading a file

B Turning off your computer

C Installing software locally

D Printing a document

Events like file uploads can automatically start serverless functions.

Explain serverless computing using a real-life analogy.

Think about how you get a service without handling the behind-the-scenes work.

Describe how billing works in serverless computing and why it can save money.

Compare it to paying for electricity only when you use it.