week 1

Question 1

what are the an extensive data communications network installed around the globe?

Answer 1

• wire
• optic fibre
• wireless

Question 2

what does WWW stand for ?

Answer 2

world wide web

Question 3

what is WWW?

Answer 3

) is a collection of documents (web pages) available to the public and residing on servers distributed around the world

Question 4

Give 3 examples of web browsers

Answer 4

google chrome
firefox
internet explorer

Question 5

what are the browsers called

Answer 5

client side application software

Question 6

what is uniform resourc used for?(URL)

Answer 6

The URL is used to represent the address of the web server

Question 7

Every device on a data network requires a unique address to identify it.Usually how binary numbers are the adress consist of

Answer 7

32 bit or 128 bit binary number

Question 8

what is 32 bit or 128 bit binary number called

Answer 8

IP address

Question 9

what is the URL converted to

Answer 9

valid IP address using the Domain Name System (DNS) protocol

Question 10

where does the URL points to

Answer 10

home page of a particular website

Question 11

How Client Communicates with a Web Server

Answer 11

Protocol , address and path name

Question 12

why is domain used for

Answer 12

A domain name is merely used to make web site addresses easier to remember

Question 13

what does http define

Answer 13

HTTP defines the rules by which the browser communicates with the web server

Question 14

what does the browser send to make the web page work

Answer 14

The browser sends a GET request to the Web server to retrieve the address it has been given.
For example, when a user types http://www.abc.com/pic1.jpg, the browser sends a GET pic1.jpg command to abc.com and waits for a response.

Question 15

what happens after browser receives GET responds

Answer 15

It verifies that the given address exists, finds the necessary files, runs the appropriate scripts, exchanges cookies if necessary, and returns the results back to the browser.
If it cannot locate the file, the server sends an error message to the client.

Question 16

what does html stand for

Answer 16

hypertext markup language

Question 17

what does coding contain

Answer 17

Colour, font, size, and positioning of text
The size and positioning of images
Code to identify when the mouse transits a section of the screen
Code to initiate action when the mouse transits a section of the screen
Code to respond to an action such as a mouse click
Etc.

Question 18

need to know

Answer 18

The code for interpreting the web page and the data itself are intermixed
Special characters are used to distinguish between formatting code and data

Question 19

where is HTML document is created

Answer 19

text editor
Microsoft Notepad or equivalent can be used as a text editor
Free third party HTML editors such Notepad++ can also be used
An HTML editor performs syntax checking to identify errors as well as other useful functions

Question 20

why is word processor not suitable to create HTML

Answer 20

a word processor such as Microsoft Word is generally not suitable because it embeds hidden formatting characters

Question 21

how to save the page after it is encoded

Answer 21

Once a web page is coded it is saved with a .html extension

Question 22

how to save a website with multiple pages

Answer 22

If the website consists of more than one page, the first (home) page should be saved as index.html

Question 23

what does declaration mean

Answer 23

It identifies the type of mark up language in use.The declaration informs the browser how to interpret the mark up code

Question 24

what is the type of declaration we will using in this course

Answer 24

HTML5. This declaration will always be the first line in each document.

Question 25

what is open and close tags

Answer 25

is the opening tag.

is the closing tag.