Transcript Week four slides - Internet File

Functional ICT
Lesson Four
Finding and Selecting information
Recap
File sizes are important when emailing a document – why ?
What is storage measured in ?
Storage is measure in kb, mb, gb and tb.
Compression can be used to increase file sizes – true or false ?
Do all digital devices have some form of storage in them?
Yes , or else they would not be able to store information or data.
When creating file and folders – what should you do?
– Make files and folders clear as to what they contain.
– Set the permissions to limit what others can do i.e. read, write , edit
Viruses can be spread by :
email, internet , networks and memory sticks
Make back-ups and keep them in a different location
Managing , Finding and Selecting information
Lesson Aims and Objectives
– find and select reliable information appropriate for
purpose and audience
– evidence how you manage information saved from the
internet
You will learn how to:
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identify the information requirements of a task
construct efficient searches
evaluate the reliability of websites
select appropriate information
acknowledge your sources
Browsers and search engines
5 mins
Task – What is a web browser and what is a search
engine ?
Extension task : 4
common browsers
A web browser is a software application for retrieving, presenting, and
traversing information resources on the World Wide Web.
A search engine is designed to search for information on the World Wide
Web.
A web address is made up of 2 components sometimes 3.
http://www.loucoll.ac.uk/learnzone
Bookmarks or favourites
10
mins
Book marks or favourites are stored web addresses. If you
want to visit a web page again , storing it as a bookmark will
allow you to easily traverse to that webpage in the future.
Task- Skill builder 3.1
1. Open the list of favourites in your browser. Click on an
entry in the list. What happens?
2. Add the address of a website that interests you to your
browser’s favourites.
3. What other facilities does your browser offer?
Recap - File Names and Extensions
• Browsers allow you to access the internet
• Search engines allow you to search for
information.
• Bookmarks allow you to save pages for future
use
• A web address is composed of a minimum of
two parts – the prefix indicating it is a web
page and the domain name, can also have the
name of the web page.
Efficient searches
When looking for information on the internet
you need to ensure :
– The search criteria is accurate
If you do not use good/clear search criteria:
– Lots of hits that are not relevant
Use boolean operators to narrow down the
search.
AND, OR, NOT, = , <, >, <=, =<.
Skillbuilder 3.2
10
mins
Task – Use a search engine to find :
1. what is the speed limit on motorways in France
2. How long it will take to get a train from London
to Amsterdam? Do you need to change?
3. Where is the head office of Edexcel?
Record the number of hits
Extension task :
Try using speech
marks .
Skill builder Boolean Logic
10
mins
• OR – College OR University
• used for related searches
• AND – Poverty AND Crime
• used for related searches
• NOT – Cats NOT Dogs
• used for excluding data from search
Using at least one of the operators above repeat
Skillbuilder 3.2 and compare hit numbers
Recap- Internet searching
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The search criteria is accurate
Use boolean operators to narrow down the search
Use advanced search facility of the browser
Information gathering
5 mins
• Task- Work in pairs and search for a leisure
park called Smarts Leisure. Find out three
facts about this particular leisure park – you
must not talk to other pairs or compare
answers whilst they are searching.
‘validity’, ‘accuracy’ and ‘authority’ as criteria
for evaluating websites
Information gathering
5mins
Task- List these sources in order of how reliable
and accurate the information in them is likely
to be:
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www.wikipedia.org
www.bbc.co.uk
www.direct.gov.uk
www.manufans.co.uk
www.loucoll.ac.uk
Recap- Information gathering
Ensure websites are:
1. valid
2. accurate
3. reliable
Tips for finding reliable information on the internet
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Think before you search.
Do not believe everything you see or hear on the internet.
Always check information using another source.
Check permissions before using material you find.
Record where exactly you found the information.
Skill Check
 use an internet browser
 use a search engine
 use keyword searches
 use advanced search options
 bookmark a page
Homework
• Copyright means the right to copy – true or
false?
• Complete SB3.4.1 in module handbook
• Complete homework document on Learn
Zone- data protection and finding information