2.4.2 Website Development Flashcards Preview

AS Digital Technology > 2.4.2 Website Development > Flashcards

Flashcards in 2.4.2 Website Development Deck (19)
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1
Q

Why HTML not a programming language

A

No procedures or algorithms available.
Markup language
Tags tell web browsers how to format and display content.

2
Q

Main features of HTML

A

Opening: closing tags that enclose content and instruct web browsers how that content will be displayed.
Tags can have attributes that specify further information about how content should be created.
Has been through different iterations to expand tags available and allow support for other languages css

3
Q

Features of web development package

A

File and folder organisation
Auto complete to fill in and suggest rages based on what the web developer types
Error recognition where content is not in correct syntax
Preview in browser / code view/ split view.

4
Q

Paragraph

A

<p> </p>

5
Q

Image

A

<img></img>

NO CLOSIG TAG

6
Q

Anchor

A

<a> source </a>

7
Q

Ordered list

A

<ol> name of ordered list </ol>

then <li> list item </li>

8
Q

Unordered list

A

<ul> name of unordered list </ul>

then <li> list item </li>

9
Q

Hyperlink

A

this is the hyperlink it will be underlined in blue by web browser

10
Q

Benefits css brings to web design

A

Separates formatting from html = less html = more efficient less to download.

One css statement can control presentation of many lines of html code = easier to make changes to many elements.
Easier to enforce house style across large site.

11
Q

Features of css

A

Statements enclosed in {} which follow tags from HTML
Each statement can specify size, colour, positioning.
Can be placed directly in HTML or
Or in separate .css file that is lined in the head

12
Q

E e-commerce difference between client side and server side processing

A

Client side definition - users browser in this case processes information
Validation of credit card number postcode telephone number length Check.

Server side definition
In this case requested item looked up and price returned delivery cost calculated
Authorisation request sent to bank for money transfer.

13
Q

Client side definition

A

Users computer processes the information

14
Q

See her side definition

A

Remote server carries out processing of some parts of transaction

15
Q

Benefits of client side processing in operation of an interactive website

A

Processing of interactive elements had to take place server side then more information would have to be sent received
Slower operation of site.
Client side means site can be downloaded and much of the processing can take place purely in users browser. Saves bandwidth

16
Q

Role of digital certificate in secure transfer of data

A

Digital certificate awarded to legit companies wanting to sell online.
Certificate recognised by web browsers and contains public key that will be used as part of the encryption decryption process.

17
Q

Role of digital signature on secure transfer of data

A

Used for the retailer to encrypt data they send to customers. Produced using their private key and can only be decrypted using public key that is part of that specific public/ private key pair.

18
Q

Role of https

A

Signifies that information is still being send/ received using http but that data is now being encrypted/ decrypted using ssl

19
Q

SSL

A

Set of procedures ensures that browser will only engage in secure communication with a web server with a trusted digital certificate.
Also contains procedures that will allow public/ private key pairs to be used in encryption and decryption