Networks

Question 1

What is a network

Answer 1

Series of computers linked together so that they can send and receive data

Question 2

What is a LAN

Answer 2

Local Access Network
Covers small area such as one room/building
Each computer on LAN is called a station

Question 3

What are the advantages of a LAN

Answer 3

Can share data
Share expensive peripherals attached to network
Can log onto any computer with username and password within LAN

Question 4

How can stations be connected

Answer 4

By wire or can be wireless

Question 5

What are the two cables that a station can have

Answer 5

Coaxial cables

Twisted pair cabling

Question 6

What is optical fibre

Answer 6

Uses light beams to transmit data at High speeds

Expensive but no interference

Question 7

What is wireless

Answer 7

Infrared communication
Bluetooth
WIFI

Question 8

What does WIFI stand for

Answer 8

Wireless Fidelity Alliance

Question 9

What is a WAN

Answer 9

Wide Area Network

Made up of computers that may be spread over country or all over the world ie the Internet

Question 10

What is WWW

Answer 10

World Wide Web

Question 11

What are websites

Answer 11

Locations of information

Question 12

What are the websites stored on

Answer 12

Server

Question 13

What are hyperlinks

Answer 13

Used to navigate between webpages, documents and files

Question 14

What is an Internal hyperlink (relative addressing)

Answer 14

Links between same website but to different parts

Question 15

What is an external hyperlink (absolute addressing)

Answer 15

Link to a different website

Question 16

What is a URL

Answer 16

Uniform Resource Locator

Unique address in order to locate file on WWW

Question 17

What is a web browser

Answer 17

Program or app that allows you to view web pages

Question 18

What is a search engine

Answer 18

Website that allows you to enter a search term and look for relevant websites

Question 19

What is navigation

Answer 19

How a user finds their way around info on computer

Question 20

What are the three types of navigation

Answer 20

Hierarchical
Linear
Web

Question 21

What is hierarchical navigation

Answer 21

Most common and well understood starts with homepage and works it way down

Question 22

What is web navigation

Answer 22

Allows multiple direct connections between webpages

Question 23

What is linear navigation

Answer 23

Used for processes which follow an order

Question 24

What are the navigation methods

Answer 24

Buttons
History 
Favourites/bookmarks 
Menus 
Search facilities 
Hotspots 
Breadcrumbs 
Faceted navigation 
Tag clouds 
Site Map

Question 25

What is HTML

Answer 25

Hyper Text Markup Language | Used to create webpages to be viewed in web browser

Question 26

What is each element in HTML doc defined by

Answer 26

A tag

Question 27

What is CSS

Answer 27

Cascading Style Sheets | Style sheet language used for describing look and formatting of document written in markup language

Question 28

What is a scripting language

Answer 28

Allows user to carry out automated tasks or to add extra functionality eg JavaScript AppleScript

Question 29

What are the advantages of JavaScript

Answer 29

Adds interactivity to webpage | Code will operate without Internet connection

Question 30

What are the disadvantages to JavaScript

Answer 30

Hackers can use JavaScript to create malware May be used to create advertising pop ups Layout might look different on different browsers

Question 31

What is testing

Answer 31

Website needs to be tested to make sure it operates as intended

Question 32

What are the questions you have to ask yourself when testing links and navigation

Answer 32

Do all hyperlinks work correctly Do all Input boxes, buttons, menus work correctly Do they provide appropriate feedback for user Does all media play correctly

Question 33

What are the questions you have to ask yourself when testing user interfaces

Answer 33

Does website match original design of user interface | Are colours and fonts appropriate

Question 34

What is a stand alone computer

Answer 34

Computer not connected to a network ie desktop comp or laptop that has no wired/wireless connection