Node

Question 1

What is Node.js?

Answer 1

Environment to run code outside of the browser

Question 2

What can Node.js be used for?

Answer 2

building complex projects

Question 3

What is a REPL?

Answer 3

Read eval, print, interactive application, takes input reads input , evalotes input, prints the results

Question 4

When was Node.js created?

Answer 4

2009

Question 5

What back end languages have you heard of?

Answer 5

C++,C#,C,Python,ruby, Go, JavaScript, Java, Rust, PHP

Question 6

What is a computer process?

Answer 6

A instance of a program running on your computer

Question 7

Roughly how many computer processes are running on your host operating system (Task Manager or Activity Monitor)?

Answer 7

750ish

Question 8

Why should a full stack Web developer know that computer processes exist?

Answer 8

Check if the back nd is actually running.

Question 9

What is the process object in a Node.js program?

Answer 9

Object that provides information about the process

Question 10

How do you access the process object in a Node.js program?

Answer 10

process keyword

Question 11

What is the data type of process.argv in Node.js?

Answer 11

Array of strings

Question 12

What is a JavaScript module?

Answer 12

Free variable that is a reference to the module type object
Local to each variable 
Javascript file

Question 13

What values are passed into a Node.js module’s local scope?

Answer 13

\_\_dirname 
\_\_filename
Module 
Exports 
require

Question 14

Give two examples of truly global variables in a Node.js program.

Answer 14

Process

Console

Question 15

What is the purpose of module.exports in a Node.js module?

Answer 15

To export data from certain files using the module

Question 16

How do you import functionality into a Node.js module from another Node.js module?

Answer 16

Assigning the function to a property name in the export property of teh module object?