Module 7 information and communications

1. Intro. To the internet2. URL’s/ browsers/ cache3. Web security and fraud4. Using internet explorer5. Search engines

Chapter 7 Information and Communications

◆ 1. Introduction to the internet.◆ 2.URL’s/browsers/Cache.◆ 3. Web security and fraud.◆ 4. Using internet explorer.◆ 5. Search engines.

1. Introduction to the internet◆ The internet describes the physical structure which allows

millions of computers to communicate with each other. For this to work you need e.g servers, rooters, cables, fibre optics, wireless and satellites.

◆ It was developed by American universities firstly to share scientific information, the American military further developed this to improve their lines communication.

◆ Computers used to have to feed off a central computer out to many computers, nowadays each individual computer can communicate to individual using a set of rules called protocols for the internet to function and be accessed.

◆ TCP = Transmission Control Protocol. And IP = Internet protocol. This gives a digital home address to your computer.

◆ In order to get the internet to communicate you need POP ( point of presence) and an ISP (internet service provider). Then you can communicate down telephone lines ,wireless ,cable t.v links ,satellites ,optic fibre cables.

Internet services◆ World wide

web/e–commerce/E-Mails/news groups/ social networking/ youtube /file transfer protocol which is used for uploading web pages to websites.

World wide web◆ Web sites are collections of web pages, a web

page can contain video, images, sound, text.◆ The homepage is the first page that comes up

and web designers when creating web sites call this index.html.

◆ Hyper text and hyper links takes you to other places on the internet or to your own website.

◆ In order that web pages can be seen you must ftp upload onto web servers/web posts that are on 24-7e.g www.hosting365.ie example of a hosting company in order to create a website you need to buy web design software or use note pad for a basic page e.g Wordpress, dreamweaver and weebly.

2. URL’s/Browser/CacheUniform resource locators:

◆ This is the unique web address of a web page.◆ HTTP;// means hyper text transfer protocol which is part of

the web addresses.◆ WWW means world wide web this means the part of the

internet you are looking for, the bit in the middle of the web address after the WWW is the company or institution that has created the web site.

◆ The .ie/.co.uk represents what country its from.◆ Common domains include .ace = acedmic institution .edu =

academic institutions in the U.S .gob = government sites .mil = military sites.

◆ .org = non-profitable organisations .com = international business sites. .net = network providers.

◆ http://www.goal.org/

URL’s/Browsers/Cache

◆ Browsers are needed to access the internet (such as internet explorer, firefox, google chrome, ask jeeves)

◆ Cache - temporary internet files are stored

Cache

◆ Cache is an area in the memory where your internet explorer saves pages and images that are downloaded from the web/temporary internet files.

◆ Click tools, click internet options, click delete internet files.

Cookies

◆ They are small text files e.g. when Gmail opens it sometimes has already remembered your email and password. Click tools, internet options then delete cookies.

Web, security and fraud

◆ You can use names and passwords so that people cannot get access to all pages of your website.

◆ Encryption: uses public key codes e.g. 2 long numbers have to match before you can get access.

◆ Https (s=Secure): this is a more secure/safer version of http.

Digital Certificates

◆ You can use certificates to protect your info on the internet.

Viruses

◆ These attach themselves to emails floppy disks or CDs e.g. the “I love you” virus infected

◆ Steps to prevent the spread of viruses:

1. make sure you know who the email is from2. Up to date anti virus software3. Up to date IOS Windows 8.1

Firewalls

◆ This is a computer programming wall that stops the spread of problems. It screens incoming requests and can stop network viruses, even though you cannot protect against Trojans viruses.

Fraud on the internet

◆ E.g. banking scams, phishing. This is where criminals try to get your personal information online (e.g. you might get a page similar to your bank page.

3.Web security and fraud ◆ Protective websites – you can use names

and passwords so that people cant get access to every page on your web site

◆ Encryption - uses public key codes e.g. two long numbers have to match before you gain access

◆ HTTPS - Hypertext transfer protocol secure. This a more secure version of HTTP

◆ You can put a password on individual word docs.

Other internet terms

◆ A blog is a website that is frequently updated and can act as an online diary.

Starting internet explorer

◆ Displaying screen titles: if you cant see something on the screen click view then toolbar and tick the function that you need.

◆ The internet explorer toolbar:– The back button takes you back a page– The forward buttons takes you forward a page– The stop button stops the uploading of pages– Refresh button reloads the current page– Home returns you to the home page– Favourites lists all your favourite websites– History shows what sites you were on

The address bar

◆ The address bar shows the current website and if you click the drop down box to see the most recent websites students were on

Home page

◆ This is the first page that appears, to set your page go to tools, internet options, click general tabs, click current, then website you want.

Managing the browser history

◆ To view the browser history, click the history button.

◆ Web-based forms are online forms for collecting information.

Bookmarks

◆ E.g. if you find a website you love, click favourites, click create-in and create a new folder. Click favourites to return to bookmarks.

Copying images from websites

◆ Open a word document◆ On the graphic, right click the centre

of the graphic (or control+ c to copy)◆ Then control V to paste

Saving images from website to memory stick

◆ Select a picture, right click◆ Select “save as”◆ Enter a file name in the name box◆ Note: pictures are stored as .gif or

.jpeg. Photographs are more .jpeg whereas line drawings are more .gif

◆ .png files are copyright free and are becoming more popular all the time

Saving sounds or videos from a webpage

◆ Go to the website◆ Right click the sound file or video file

link.◆ Click “save link as” and save into a

folder

Opening a webpage in a new window

◆ When you want to go to a link but want to load it onto another window, right click the link.

◆ Choose open in a new window to save as a text file in the grey area in the bottom of the window, there is a drop down arrow

◆ Click it then change to text file e.g. *.txt

Browser page set-up

◆ To change the page set up, here you can change the paper size, change it to vertical or horizontal, or you can change the margins

Printing a webpage◆ Click file then print, next click on box

that says pages and type in 1-2 pages for range or 1,2 for amount of pages. Print one page to experiment with first.

◆ Print range e.g 1-2 allows you to print specific ranges

◆ Print frames equals you can grey out certain areas of the webpage as WebPages are made up of groups of frames. The Colete option allows you to print page by page, or the entire document

Set up home Microsoft Email

What is electronic mail

◆ Digital signatures are a way of signing a letter using encryption technology

◆ It guarantees the identity of the person

Acronyms

◆ Asap= as soon as possible◆ Btw= by the way◆ B4= before◆ Otoh= on the other hand◆ Lol= laugh out loud◆ L8r= later

Unsolicited

◆ Don’t open any attachments from unknown sources

Internet shorter course.

Mr Mc Garry

Introduction to internet

• The internet has a structure that allows millions of computers to communicate with each other.

• It was developed by American collages to share information, the American military then developed this to improve their lines communication.

• Computers used to feed off a central computer, now each individual computer can communicate to others using a set of rules called protocols for the internet to function

URLS/ Browsers/ Cache

• URL- a url is a link that brings you to a page

• Browser – are what you need to get onto the internet

• Cache - memory where internet explorer saves pages and images that downloaded.

Web Security

• You can use passwords so people cannot get onto your device.

• You can also use digital certs and signatures.

Homepage

• The home page is the page you are on when you first click into the internet. Example google

Bookmarks

• if you find a website you like, click favourites, create a new folder. Click favourites to return to bookmarks.

Viruses

• These attach themselves to emails floppy disks or CDs

• Steps to prevent the spread of viruses:

➢ Up to date anti virus software

➢ Up to date IOS Windows 8.1

How to create an email account

◆ The email software that comes with most computers is outlook express

◆ Start, all programs then outlook express. Then click tools, account then mail.

1. 1. click add mail2. enter the name of your account3. Add email4. Click next, then enter the pop address then the

smpt address e.g. in the incoming mail box, type mail1.eircom.net, the outgoing mailbox type the same thing.

Using email and outlook express

◆ You can send emails to many people by putting a comma after each email address.

◆ The cc box is used◆ The bcc box allows you to add in

extra people. The advantage is that the recipients cannot see who received the email

Sending and receiving mail

◆ Simply click the sending and receiving button, then check your sent box to find the email.

◆ Emails can be organised in alphabetical order by subject or by the date received by clicking on the headings. In order to change the view, click view columns and you can get emails listed by different headings.

◆ By clicking reply all to an email, you will be replying to every contact that was in the incoming mail.

Attaching files to emails◆ Click the attach button or insert attachment,

browse the correct drives to find your file, then double click on it.

◆ If you want to make your email a high priority, click the priority button, then select high.

◆ You can retrieve emails by going to the deleted folder then dragging it back into the correct folder.

◆ You can create a brand new folder on the left column e.g. under your inbox folder you can make a business folder.

Changing the email settings

◆ When in outlook express, click tools, options, general tabs. Here you can set the software to check send and receive every 3 minutes.

◆ Also you can select the spelling tab to check your spellings before you send. You can also set, in the send tab, how you would like to send and receive messages.

Address book◆ If you receive an email from a person and you

want to add their address to your address book, right click their address, then click add sender to address book.

◆ To create an email using your address book, click on the little icon of a book and the address window will appear then, click on the names you want and simply click ok.

Internet general knowledge◆ Hyperlink is a ref doc linking to same or

other doc www.google.com◆ Top level domain = com◆ To block cookies click privacy tab and

click and drag higher◆ To bookmark click add to fav◆ New bookmark folder = add to fav again◆ To print the entire web page click the all

box

Internet general knowledge

◆ To express yourself correctly online is called netiquette

◆ Attaching an executable file could cause send email problems

◆ To select recipient click the to button, then ok,

◆ To save attached file click file menu

Email general knowledge

◆ To display date email received click the subject column heading, view menu, icon col heading

◆ Flag mark means message will be followed up

◆ To select email as unread click edit menu or right click

◆ To search click view menu, right click message

General email M7

◆ To sort by subject click subject◆ To move to another folder click edit

menu◆ To add a person to a distribution list

right click the dist list or the white area.

Conclusions

1. Intro. To the internet2. URL’s/ browsers/ cache3. Web security and fraud4. Using internet explorer5. Search engines6. Internet explorer7. Acronyms8. Working with images9. Email

10. Common Errors

Outlook email software Lesson

◆ Outlook Tutorial

Project

◆ Familiarising yourself with Microsoft word now, Type up a 300 word document summarizing what new things you learned about this Internet module.

◆ Save on your personal drive until you’re finished and then save to the students drive for Student Credits

Questions◆ Difference between URL’s/ browsers/

cache?◆ Discuss Web security and fraud◆ How to use internet explorer?◆ Search engines. Give examples◆ Acronyms explain◆ How do you Work with images◆ How to set up Email?◆ General knowledge on Ecdl?