ICT IGCSE Theory – Revision Presentation
10. Communication
                                •   10.1 Communicate with other ICT users using email
                                •   10.2 Effective use of the internet
Chapter 10: 10. Communication
                                    ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Communicate with other ICT users using email
                                Email is very popular form of communication between people. However many countries have
                                laws to protect people from the misuse of emails.
Chapter 10: 10. Communication
                                Below are some laws which companies and individuals have to follow when using email:
                                Ensuring emails do not have                                 Organisations are required to
                                false or misleading subject                                 ask for permission (opt in)
                                lines.                                                      before they can send emails to
                                                                                            individuals.
                                Organisations     must
                                include valid postal address.                               There should be a clear way for
                                                                                            recipients   to      “opt out”
                                Organisations are not allowed
                                                                                            (unsubscribe) from receiving
                                capture and store lists of email
                                                                                             email.
                                addresses.
                                                         Organisations must ensure privacy policy are
                                                         clear and that subscribers are made aware of
                                                         such policies.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Communicate with other ICT users using email
                                Acceptable Language:                                             Examples       of    using
                                •    When sending an email the language and content              inappropriate language:
Chapter 10: 10. Communication
                                     within the email needs to be appropriate.                   • Abusive,
                                •    If the emails is being sent to an employee within              racist, threatening
                                     a business then the language should be formal.                 language.
                                                                                                 • Obscene          Images
                                                                                                         /
                                                                                                    illegal content
                                                                    Senders should consider what they
                                                                   write as content in an email could be
                                                                   misunderstood or taken out of context.
                                   Senders should check for            Netiquette: The rules of             Avoid humor as some people
                                spelling and grammatical errors.                                            may not understand the joke.
                                                                       etiquette that apply when
                                                                        communicating over
                                    Respond quickly to an email                                             Do not plagiarize and obey the
                                                                       computer networks,
                                            message.                                                                 copyright law.
                                                                       especially the Internet
                                                                       Do not capitalize every thing.
                                     ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Communicate with other ICT users using email
                                The content of an email can be protected by the copyright law. If the
                                sender of an email states the message is confidential then it is important
Chapter 10: 10. Communication
                                the email is not forwarded onto a third party. It could also be a case of
                                attachments being downloaded and also passed on.
                                Sometimes organisations will send an email with a copyright statement at
                                the bottom of the email.
                                If your email account is not secure then emails could be sent from           You could also be at
                                your account without your permission or knowledge.                           risk due to email
                                                                                                              scams
                                Your email account could be hacked due to the following reasons:             (phishing/pharming).
                                                 Having a weak password                                      Your email inbox could
                                                                                                             also be jammed up by
                                                 Leaving your computer on and walking out of the
                                                                                                             spam email.
                                                 room whilst being logged into your email.
                                                 Using your email on a shared computer
                                                 with multiple users.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Communicate with other ICT users using email
                                What is Spam Email?                                                    Strategies to prevent Spam
                                                                                                       Email
Chapter 10: 10. Communication
                                Spam (junk) email is sent out to recipients from a mailing list. The
                                                                                                       •   Use a junk email filter to stop
                                 email could be part of a phishing scam or could be to promote
                                certain products. They are basically unwanted emails.                       spam email coming into the
                                                                                                           inbox.
                                                                                                       •   Do not sign up for any
                                Effects of Spam Email?                                                     commercial mailing lists.
                                If a spam email is part of a phishing scam then there is a             •   Do not reply to spam email.
                                chance your details could be obtained. The network could also          •   Untick the check box if you
                                become slower or unresponsive if there is a lot of unnecessary             are asked to give your email
                                traffic flooding the network.                                               to a third party.
                                Email Groups are contacts which are grouped together
                                So that emails can be sent to multiple recipients.
                                When sending an email to a group you would just have to
                                write the name of the group rather than writing
                                everyone's email address.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                Internet – Worldwide Collection of Networks:
                                •   Browse the internet
Chapter 10: 10. Communication
                                •   Social Networking & Communication
                                •   Online shopping & banking
                                •   Transfer files from computer to computer
                                World Wide Web (WWW):
                                •   World Wide Web is part of the internet.
                                •   Can be accessed using a web browser.
                                •   Consists of a massive collection of webpages.
                                Intranet – Defined as a computer network based on
                                internet technology:
                                •   Normally accessible by internal members of the company via a
                                    username and password.
                                •   Information is specific to the needs of the company.
                                •   Less chance of external threats such hacking and viruses.
                                    ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                HyperText Transfer       Is the rules which are followed when transferring information across
Chapter 10: 10. Communication
                                Protocol (HTTP) &        the internet. Rules are agreed between the sender and recipient
                                (HTTPS)                  when data is being transferred.
                                Uniform Resource         •   A web browser allows the user to display a webpage. A web
                                Locator (URL) & Web          browser will use URLs to access specified websites.
                                 Browser                 •   URLs        are represented by numbers
                                                             (http://100.100.100.1) however it is not very user friendly.
                                                         •   So therefore an alphanumeric format (http://www.yahmad.o.uk)
                                      HTTP or
                                       HTTPS
                                 Protocol:// Website Address /Path/Filename
                                           http://www.yahmad.co.uk/Pages/Chapter18.html
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                File transfer Protocol
Chapter 10: 10. Communication
                                         (FTP)           FTP is a network protocol when
                                                         transferring files from one computer to
                                                         another over the internet. FileZilla is
                                                         popular FTP application which is used to
                                                         upload web pages so that they can be
                                                         hosted and viewed on the internet.
                                  Internet Service
                                   Provider (ISP)        ISP is a company which provides internet
                                                         access to users. Normally the users would
                                                         have to pay a monthly fee. Broadband
                                                         connections tend to use fire-optic cables
                                                         for increased bandwidth.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                Cloud: Online storage medium used to backup files. Files can
Chapter 10: 10. Communication
                                be accessed from any device with an internet connection.
                                Data is saved on more than one server so in case of
                                maintenance or repair data is always accessible.
                                                                Advantages                     Disadvantages
                                                      • Files can be accessed from   • Files could be hacked.
                                                         any location using an       • Dependant on a good
                                                        internet connection.           quality internet connection
                                                      • Users don’t have to carry       to download and upload
                                                         storage devices around        files.
                                                        with them.                   • Potential costs of using
                                                      • Offer backup solutions.        cloud storage.
                                                      • Unlimited storage
                                                        capacity.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                               Search Engines
Chapter 10: 10. Communication
                                When using the internet you can either
                                type in a URL address or use a search
                                engine to find specific data. Normally key
                                words would be typed into a search
                                engine to find particular information.
                                The more detailed the search will result is
                                then the matches are likely to be more
                                accurate.
                                Advanced Search Criteria:
                                In many search engines you have
                                the option to have an advanced search.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                 Blogs and Blogging      •      A blog is based on personal experiences and usually updated by
Chapter 10: 10. Communication
                                                                one author.
                                                         •      Blog entries are in order (most recent entries are shown first).
                                                         •      Blogs can not be changed by other users of the internet.
                                                         •      Bloggers can be prosecuted for posting offensive material.
                                         Wikis            •     A wiki is a collaboration from users (many authors) to create
                                                                content.
                                                          •     Wikis can be edited by anyone (content can be edited or
                                                                deleted).
                                                          •     Wikipedia is an example use of Wikis.
                                   Social Networks        •     Social       Networking sites allow users to interact
                                                                and
                                                                communicate with each other.
                                                          •     You can connect with people with similar interests.
                                                          •     Users are able to share content such as photos, video and status
                                                                updates.
                                   ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                                                      Using the Internet
                                                  Advantages                                      Disadvantages
Chapter 10: 10. Communication
                                •   Regularly updated in real time.               •   Not regulated
                                •   Vast amount of information.                   •   Online threats (hacking/viruses/scams/
                                •   Can find information using search engines.        cyber bullying)
                                •   Is available on many platforms.               •   Easily become distracted
                                •   Web content can include text, images,         •   Sharing of illegal content
                                    video, sounds, animations etc.                •   Exposure to inappropriate material
                                                                                  •   Information may not be reliable
                                Why the internet is so popular?         The internet has also evolved over the years with the
                                                                        introduction of social networks, media streaming sites,
                                                                        online shopping/banking.
                                                                        •   The internet is very accessible over various
                                                                            platforms.
                                                                        •   Relatively cheap to use and sometimes free.
                                                                        •   Increase in bandwidth allows faster browsing and
                                                                            download speeds.
                                    ICT IGCSE
                                ICT IGCSE Theory – Revision Presentation
                                10. Communication
                                Effective use of the internet
                                 Why an internet search to      •   Due to amount of information available on the internet
                                                                    it is difficult to find specific information quickly.
Chapter 10: 10. Communication
                                find relevant information is
                                                                •   Search engines will not necessarily post the website in
                                       not always fast.
                                                                    order of usefulness so you may have to look through
                                                                    different websites to find your information.
                                                                •   Content on the internet is not regulated. Any body can
                                                                    make a website and post any content which is not
                                Why it is not always easy to        factually correct.
                                 find reliable information      •   Wikis can be edited to contain false information.
                                     on the internet            •   Information may be biased depending on who was the
                                                                    author.
                                   How to evaluate the          •   Checking the websites URL address (ending in .gov or
                                 reliability of information         .ac more likely to be reliable)
                                   found on the internet        •   Check links or endorsements from other websites.
                                                                •   Check the last time the website was updated.