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Computing > Networks > Flashcards

Networks Flashcards

1
Q

What is a network

A

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

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2
Q

What is a LAN

A

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

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3
Q

What are the advantages of a LAN

A

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

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4
Q

How can stations be connected

A

By wire or can be wireless

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5
Q

What are the two cables that a station can have

A

Coaxial cables

Twisted pair cabling

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6
Q

What is optical fibre

A

Uses light beams to transmit data at High speeds

Expensive but no interference

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7
Q

What is wireless

A

Infrared communication
Bluetooth
WIFI

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8
Q

What does WIFI stand for

A

Wireless Fidelity Alliance

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9
Q

What is a WAN

A

Wide Area Network

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

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10
Q

What is WWW

A

World Wide Web

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11
Q

What are websites

A

Locations of information

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12
Q

What are the websites stored on

A

Server

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13
Q

What are hyperlinks

A

Used to navigate between webpages, documents and files

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14
Q

What is an Internal hyperlink (relative addressing)

A

Links between same website but to different parts

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15
Q

What is an external hyperlink (absolute addressing)

A

Link to a different website

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16
Q

What is a URL

A

Uniform Resource Locator

Unique address in order to locate file on WWW

17
Q

What is a web browser

A

Program or app that allows you to view web pages

18
Q

What is a search engine

A

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

19
Q

What is navigation

A

How a user finds their way around info on computer

20
Q

What are the three types of navigation

A

Hierarchical
Linear
Web

21
Q

What is hierarchical navigation

A

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

22
Q

What is web navigation

A

Allows multiple direct connections between webpages

23
Q

What is linear navigation

A

Used for processes which follow an order

24
Q

What are the navigation methods

A 
Buttons
History 
Favourites/bookmarks 
Menus 
Search facilities 
Hotspots 
Breadcrumbs 
Faceted navigation 
Tag clouds 
Site Map
25
Q

What is HTML

A

Hyper Text Markup Language

Used to create webpages to be viewed in web browser

26
Q

What is each element in HTML doc defined by

A

A tag

27
Q

What is CSS

A

Cascading Style Sheets

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

28
Q

What is a scripting language

A

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

29
Q

What are the advantages of JavaScript

A

Adds interactivity to webpage

Code will operate without Internet connection

30
Q

What are the disadvantages to JavaScript

A

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

31
Q

What is testing

A

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

32
Q

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

A

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

33
Q

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

A

Does website match original design of user interface

Are colours and fonts appropriate

34
Q

What is a stand alone computer

A

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

Computing (8 decks)

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