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The effects of using ICT

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Monica E

on 19 August 2015

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Transcript of The effects of using ICT

Security, risk and reliability
How to know if a website´s information is reliable, accurate, up-to-date or bias (fact or opinion)?
HEALTH PROBLEMS
Safety issues
Trip Hazards such as stray wires and cables
Downloading and Information retrieval
ICT continues to change our lives ...
we can work at home or on the move
we can shop and manage our finance on-line
we have security, health and safety problems
The effects of using ICT
The web today and tomorrow ...
ICT and society: The effects on employment
ICT and employment
Software Copyright
The software can not be:
copied or given away without permission
used on a network unless a licence has been bought
included in another software without permission
rented out without permission.
SO CHECK : product key - security label on the package
Open Source software downloads:
legal to download it
often free
users still type in a unique code and agree to terms and conditions.
Example: Open Office
Computer Viruses
It is a
program
that can invade your computer system and damage it.
It
replicates
itself.
It can corrupt or delete files or data or the entire content of the hard disk.
It can slow down the computer by using up memory.
it can cause the computer to shutdown or stop working.
Most common ways to get a virus:
Opening an e-mail attachment
Installing illegal software
Downloading files from the Internet
How to protect from viruses:
Ways to get a virus:
Install antivirus software
Work smartly!! Be careful about opening files sent by e-mail and about downloading files
Hacking
It is gaining illegal access to a computer system or network to cause damage by
deleting files
steal information
introduce viruses
To avoid hacking:
Use Firewalls

Use strong passwords

Note: Encryption does NOT avoid hacking but it makes the information meaningless for the hackers.
Check:
the top level domain
endorsement (recommended by a well known organization
the date of the last update
advertisement
Links to and from the website ( if reliable )
comparing with the information of other websites or textbooks
SECURITY ALERTS!
Pishing
Pharming
Spamming
Spyware
Cookies
You receive and email wich seems from a legitimate organization. Inside the e-mail there is a link that takes you to a fake website. There you are asked to provide personal and financial details
It redirects users from a genuine website to websites that allows a pharmer or hacker to
infect the user´s computer
direct the users to a fake website and records the details entered by the user
Junk email that fills your email inbox.It´s a nuisance!!. Use an anti-spam filter provided by your ISP.
Dangerous software that monitors and saves , in a file, all information typed by the user (for example your passwords!!)
Small amount of text send and received through the web browser as we search or visit internet sites. COOKIES TRACKS THE PAGES YOU HAVE VISITED. So ...
They can welcome you and store information about your habits
Web 2.0
Capabilities and limitations of ICT
Web 1.0
WEB 1.0
Closed
Individual Publishing
One way Communication
Passive Involvement
Read Only contents
Personal Websites
Example: on-line shopping (catalogue)
First Implementation of the Internet
Users don´t change the contents of the website
Web 2.0
The latest generation
Collaborative
Group Participation
Two way communication
Active involvement
User-generated content and Blogging(videos, songs, photos and comments)
Users contribute with contents and interact with other users
WEB 2.0
From Web 2.0 to Web 3.0 ...
Augmented reality
Image recognition
Digital media sharing
Social Networking sites
Folksonomies
Blogs
Wikis
Real scene viewed by the user with a virtual scene generated by the computer
Augmented reality
Image Recognition
It relies on image recognition and GPS echnology
Some software applications enables users to review all the images they have stored on their computer and group them according to the people in the images. Social networking sites use this technology to tag people.
Digital Media Sharing
Websites that allows users to upload videos, audios and files for others to see.
Originally designed to host personal videos clips.
Now is used by companies to market their products.
Social Networking Sites
Focus on building on-line communities of users who share the same interest and activities
Folksonomies
A user can tag any webpage with words that describe its contents.
Blogs
A personal Internet Journal where the writer (blogger) will type in their observation on some topic.
Wikis
Software allowing users to easily create and edit webpages collaboratively.
Web 3.0
Computers and devices will generate data on their own
The internet will be able to perform tasks faster and effectively
The semantic web
The Intelligent web
SECURITY ISSUES
Back and neck problem/strain
RSI: repetitive strain injury (aching wrists and fingers)
Eyestrain
Headaches
Ozone irritation (dry skin, respiration problems). Caused by laser printers
Poor blood circulation on legs
Ozone Irritation
Ensure proper ventilation to remove the ozone gas quickly as possible
House laser printers in a designed printer room
Change to others type of printerif necessary (e.g.: inkjet printers)
Back and neck Problems
Use fully adjustable chairs to give the correct posture
Use foot rest to reduce posture problems
Use screen that can be titled to ensure the neck is at the correct angle
RSI : Repetitive strain injury
Ensure correct posture
Use a wrist rest
Take regular breaks
Use ergonomitric keyboards
Use voice activated software
Poor blood circulation on legs
Take regular breaks
Don´t sit for too long
Eyestrain
Caused by staring at a computer screen too long or bad lighting in the room
Ensure there is no screen flicker
Change to LCD screens
Take regulars breaks
Use antiglare screens if ligthting in the room is a problem
use windows blinds to reduce strong sunligth
Have eyes tested regularly (glasses?)
Headaches
Use antiglare screen or windows blinds to cut ligth reflections
Take regulars breaks
Have eyes tested regularly and use middle-vission glasses if necessary
Electrocution
Fire
Stability of equipment
Methods of prevention??
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