mode 1 XML

Question 1

What is XML?

Answer 1

eXtensible Markup Language.

It is a platform independent dataformat for transferring data.

Question 2

Why do we use XML?

Answer 2

XML because each platform holds datat in a different format; this makes it difficult for them to communicate.

Question 3

How do we store data in XML vs Java?

Answer 3

5
Hello

int var1 = 5;

Question 4

What is a tag?

Answer 4

It’s a keyword surrounded by chevrons(diamond brackets).

So the “var1” tag look like this

first tag would be called the root tag

Question 5

What is an element?

Answer 5

An element provides the structure of the document.

It is defined by an opening and closing tag as well as its contents

Question 6

how do we access values in xml?

Answer 6

“xml.var1”

Question 7

What is an attribute?

Answer 7

Attributes are defined within a tag/can be found inside a tag and can be more than 1 keyword: the 2nd or 3rd (or beyon) keywords will modify the tag in some way by providing meta data.

Example: we use the src attribute to do this: <img></img>

Question 8

What is an XML Schema

Answer 8

an XML schema is like a schema in DB.. They map out how your data will be structured as they are the WIREFRAME for your data entries.

Question 9

Types of schemas in XML

Answer 9

There are multiple types of schemas in XML:
XML Schema Definition (XSD)
Data Type Definition(DTD)

Question 10

What is “valid XML” and “well formed XML”

Answer 10

Valid means it correctly follows the established XML schema

Well formed means the XML has valid syntax

Question 11

What is HTML

Answer 11

Hypertext Markup Language - it is a markup language for creating web pages and applications.

It uses tags, elements, and attributes to organize it’s data

Question 12

What technology do we use to stylize and beautify our HTML web data?

Answer 12

We use CSS

Cascading Style Sheets (CSS)

CSS will allow you to style the data to make it look more sleek and pretty.

Question 13

What technology gives our webpage functionality?

Answer 13

JavaScript (JS)

JS will allow us to utilize programming concepts in a webpage.

Question 14

Name some common tabs we use in HTML

Answer 14

<div> - defines a "division of the page"
<p> - defines a paragraph
<span> - an inline tag for grouping text or elements
<b> - bold text
<i> - italicized text
<h1>, <h2>, ... <h6> - these are headings, h1 is largest and h6 is smallest
<br> - line break
</h6></h2></h1> - defines a table
<img>
<ol> - an ordered list
</ol><ul> - an unordered list
<a href=""> - makes a hyperlink</a></ul></i></b></span></p></div>

Question 15

What are SEMANTIC and NON-SEMANTIC elements?

Answer 15

Semantic Elements defines the meaning for the web page rather than just presentation

Non-semantic elements that are not related to the content on the web page. E.g; elements like <div> and <span></span></div>

Question 16

What is a div tag?

Answer 16

A container for one or more elements, in other words a block of elements (like curly braces for HTML pages)
DOES create a newline character at the end

Question 17

What is a span tag?

Answer 17

A container for one or more elements…just like the div tag EXCEPT it is used for inline groupings.
And it doesn’t create a newline character at the end

Question 18

What is the style precedence?

Answer 18

Style precedence:

1. inline styling (directly on th element itself)