CMS and C# basics

Question 1

What does CMS stand for?

Answer 1

Content Management System.

Question 2

What is a CMS?

Answer 2

CMS is a software that is used to create and modify content on a website.

Question 3

Give some examples of CMS.

Answer 3

Umbraco, wordpress, wix, sitevision, joomla

Question 4

What is C#?

Answer 4

It is an object-oriented programming language. It is open source and cross-platform.

Question 5

What is C# built on?

Answer 5

The .NET platform developed by microsoft

Question 6

When was C# invented and what other languages influenced it?

Answer 6

C# was invented in 2000 and influenced by C++, Java and other early languages.

Question 7

Why use C#?

Answer 7

You can build different software applications with one single language.

Question 8

Name some use cases for C#:

Answer 8

Web applications, API, games, iphone and android apps, windows applications, blockchain.

Question 9

Name and describe the four components that make up C# syntax:

Answer 9

Usings are namespaces from which we will use classes in our application.
Namespaces are a way of organizing code into different areas.
Classes are descriptions of objects used in the application.
Methods are the executable parts of the application.

Question 10

There are several built in types in C#. Name and describe the most common types:

Answer 10

String (regular text) 
Int (whole number) 
Decimal (number with decimals) 
Double (number with decimals) 
Bool (true or false).

Question 11

There are several ways to merge strings, name them

Answer 11

+ operator
+= operator
string interpolation (similar to JS string interpolation).

Question 12

Explain the numeric operators

Answer 12

++ (increase by one)
– (decrease by one)
+= (add to existing)
-= (remove from existing)

Question 13

How do you add items to a list in C#?

Answer 13

Use Add() to add a single item to a list or AddRange() to add multiple items.

Question 14

Name and describe some useful List methods in C#

Answer 14

Contains() check if the list contains a specific item

Remove() remove a specific item from the list

Clear() clears all items from the list.

Question 15

What are the two types of conditional operators?

Answer 15

Comparison operators and Logical operators.

Question 16

Name and describe the comparison operators

Answer 16

== (equals) 
!= (do not equal) 
> (more than) 
>= (more than or equal) 
< (less than) 
<= (less than or equal).

Question 17

Name and describe the logical operators

Answer 17

! (not)
|| (or)
&& (and)

Question 18

Name the types of loops in C#

Answer 18

For loop, While loop and Foreach loop

Question 19

What is a basic For loop?

Answer 19

for (var i = 0; i < 10; i++) {

}

Question 20

What is a basic While loop?

Answer 20

var count = 0;  
while (count < 10)
      { 
          count ++; 
}

Question 21

What is a basic Foreach loop?

Answer 21

List  cities = new() {  
“Jönköping”,  
“Gothenburg”,  
“Stockholm” 
};  

foreach (var city in cities)
{
Console.WriteLine(“Current city is {city}”);
}

Question 22

How do you break a current loop?

Answer 22

Write break; inside the loop.

Question 23

How do you continue to next item in a loop?

Answer 23

Write continue; inside the loop.

Question 24

What is LINQ?

Answer 24

LINQ stands for Language INtegrated Query. It is integrated in C# and is used to retrieve data from several different sources.