Introduction To Internet What is the Internet? 1.The internet in simple terms is a network of the interlinked computer networking worldwide, which is

Introduction To Internet

• What is the Internet?1. The internet in simple terms is a network of the

interlinked computer networking worldwide, which is accessible to the general public. These interconnected computers work by transmitting data through a special type of packet switching which is known as the IP or the internet protocol.

History of INTERNET

• ARPANET was the network that became the basis for the Internet. Based on a concept first published in 1967, ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA).

• In 1969, the idea became a modest reality with the interconnection of four university computers. The initial purpose was to communicate with and share computer resources among mainly scientific users at the connected institutions.

Some Basic Internet Definition• ARPANet - The precursor to the Internet.• ASCII - American Standard Code for Information

Interchange. The de facto world wide standard code for alphanumeric characters.

• Blacklist - Describes inappropriate advertisers on Usenet newsgroups and via junk E-mail.

• Browser - A program that is specifically used to look at various WWW resources.

• Client - Any computer that makes use of services available from other computers.

Some Basic Internet Definition• Domain Name - A unique name that identifies an

Internet site. The name always has two or more parts separated by a dot. The last part of the name identifies the site ( i.e. gov for government, edu for education, com for commercial, or net for network). An electronic street address.

• E-mail - Messages, usually text, sent from one person to another via a computer.

• Fire Wall - A combination of hardware and software that separates a LAN into two or more parts for security purposes.

Some Basic Internet Definition• Host - A computer or software package which provides

a specific kind of service to other computers. One that is seen by other computers on the Internet.LAN - Local Area Network. Several computers located in the same physical location which are connected together in order to share information and services.

• Modem - A device that allows a computer to use a phone line to communicate with another computer.

• Protocol - The rules of conduct which enables a computer to communicate with another computer.PPP - A protocol that allows a computer to use a telephone line and a modem to make TCP/IP connections.

Some Basic Internet Definition

• Server - Any computer that makes services available to other computers.

• TCP/IP - Transmission Control Protocol/Internet Protocol. This is the protocol which defines the Internet.

• URL - Uniform Resource Locator. A unique name that identifies an Internet site.

• WWW - World Wide Web. The universe of hypertext servers.

Cont.

• A group of Web pages that follow the same theme and are connected together with hyperlinks is called a "Web site." Web sites and Web pages are written in a coding language that makes it possible to add pictures, sound and interactivity to plain old text, making people's reading experience more exciting.

How to Connect Internet?

To connect with Internet You must have a internet connection, Connection may be

• Modem• Wifi router with internet connection• Broadband connection• Smartphone

Some Common Terms

• The Internet is a network of computers spanning the globe. It is also called the World Wide Web.

• An Internet Browser is a software program that enables you to view Web pages on your computer. Browsers connect computers to the Internet, and allow people to “surf the Web.”

• Internet Explorer is one of the browsers most commonly used. There are other browsers available as well, including Netscape.

• A site or area on the World Wide Web that is accessed by its own Internet address is called a Web site.

• A Web Page is like a page in a book. Websites often have several pages that you can access by clicking on links. A Web site can be a collection of related Web pages.

• Each Web site contains a home page (this is the original starting page) and may also contain additional pages.

• Different computers will have different home pages. You can set your own webpage.

Layout of a Web Page

1. Title bar – tells you the name of the web page

2. Menu bar – has commands for moving around the webpage, printing, etc

3. Tool bar – short cuts to commands. Each picture represents a command

4. Address bar – webpage address. If you want to go directly to a web page, you will need to know the address.

Parts of a Web Address• A web address is typically composed of four parts: • For example, the address http://www.google.ca is made up

of the following areas:• http://

This Web server uses Hypertext Transfer Protocol (HTTP). This is the most common protocol on the Internet.

• wwwThis site is on the World Wide Web.

• googleThe Web server and site maintainer.

• ca This tells us it is a site in Canada.

• Endings of web pages tells us a bit about the page. Some common endings to web addresses are:

• com (commercial) • edu (educational institution) • gov (government) • net (network) • org (organization)

• You might also see addresses that add a country code as the last part of the address such as:

• ca (Canada) • uk (United Kingdom) • fr (France) • us (United States of America) • au (Australia)

How to Search the Internet

Two basic ways1. if you know the address of the web page

(example: www.ictd.gov.bd)

2. Using a search engine like Google to find the address. This is called a keyword search

3. Now click on the Google box. You should see a flashing cursor. Type in the topic. Hit enter.

Web Browsers

• Web browsers are programs used to explore the Internet. There are many Web browser programs available including Netscape Navigator, Internet Explorer and Opera. Internet Explorer is the Internet browser made by Microsoft and comes with Windows operating system.

Examples of web Browser

• Internet Explorer• Mozilla Firefox• Google Chrome• Opera mini• Safari

Features of Web browser

Menus of a web browser

Menus of a web browser cont

Shortcuts of web browser ( Mozilla)

Command Windows Mac

Copy Ctrl+C Cmd+CPaste Ctrl+V Cmd+VCut Ctrl+X Cmd+XClose Window Ctrl+W Cmd+WDelete Next Word Ctrl+Del Go Up One Page Page Up Page UpGo Down One Page Page Down Page DownGo Up One Line Up Arrow Up Arrow

Go Down One Line Down Arrow Down ArrowUndo Ctrl+Z Cmd+ZRedo Ctrl+Shift+Z Cmd+Shift+ZFind Ctrl+F Cmd+FFind Again Ctrl+G or F3 Cmd+GFind Links As You Type (apostrophe) (apostrophe)Open search engine page Ctrl+Shift+F Cmd+Shift+FOpen Context Menu Shift+F10 Ctrl+Space

Shortcuts (Mozilla) cont’dCommand Windows Mac

Move to beginning of line (in a text editing field) Home Cmd+Left Arrow

Move to end of line (in a text editing field) End Cmd+Right Arrow

Exit Mozilla Ctrl+Q Cmd+Q

Start Navigator Ctrl+1 Cmd+1

Start Mail & Newsgroups Ctrl+2 Cmd+2

Start Composer Ctrl+4 Cmd+4

Start Address Book Ctrl+5 Cmd+5

Start IRC Chat Ctrl+6 Cmd+6

Page Navigation shortcutsCommand Windows MacCommand Windows Mac

Open History Window Ctrl+H Cmd+Shift+HReload Ctrl+R Cmd+RForce Reload (not from cache) Ctrl+Shift+R Cmd+Shift+R

Back Alt+Left Arrow or Backspace Cmd+Left ArrowForward Alt+Right Arrow Cmd+Right ArrowStop Esc EscHome Alt+Home Cmd+HomeGo to Bottom of Page End Go to Top of Page Home HomeSelect All Text in Location Bar Ctrl+L or Alt+D Cmd+LOpen Web Page Location Ctrl+Shift+L Cmd+Shift+L

Open Selected Link in a Web Page Enter ReturnExit Mozilla Ctrl+Q Cmd+QOpen File Ctrl+O Cmd+OClose Window Ctrl+W Cmd+WSave Page As Ctrl+S Cmd+S

Save Linked Page (when a link is selected) Shift+Enter Option+EnterPrint Page Ctrl+P Cmd+P

Go Up One Page Page Up/ Shift+Space Page Up/ Shift+SpaceGo Down One Page Page Down/Space Page Down/SpaceGo Up One Line Up Arrow Up ArrowGo Down One Line Down Arrow Down Arrow

Web pages, URL, websites

• Webpage: A web page (or webpage) is a web document that is suitable for the World Wide Web and the web browser.

• URL: An abbreviation for Universal Resource Locator, a title that refers to the formal address of a document on the Internet.

• Website: a connected group of pages on the World Wide Webregarded as a single entity, usually maintained by one person or organization and devoted to a single topic or several closely related topics.

Search Engine

• A Web Search Engine is designed to search for information on the World Wide Web.

• The search results are generally presented in a line of results often referred to as search engine results pages (SERPs).

• The information may be a specialist in web pages, images, information and other types of files.

Search Engines

• Google – is the most popular search engine in the world, and a

multinational, publicly-traded organization built around the company's hugely popular search engine.

– User can search for any information by writing what he is looking for in the search text box.

– Google can view the searched information as a web pages, pictures and there is a part for Maps, YouTube, and news.

– Google have it’s own E-Mail Application called “Gmail”.

Cont’d

Here are some popular search engines URL• www.google.com• www.yahoo.com• www.bing.com

Local Websites

Here are some Local websites• বাং��লা�দে�শ জা�তী�য় তীথ্য� বাং�তী�য়ন | গণপ্রজা�তীন্ত্রী�

বাং��লা�দে�শ সরকা�র www.bangladesh.gov.bd• তীথ্য� ও যো��গ�দে��গ প্র��ক্তি� ক্তিবাংভা�গ-গণপ্রজা�তীন্ত্রী�

বাং��লা�দে�শ সরকা�র www.ictd.gov.bd• বাং��লা�দে�শ ফরম | সকালা যোসবাং�র ফরম একা

ঠিকা�ন�য় www.forms.gov.bd/ • Welcome to Ministry of Information

www.moi.gov.bd/

E-Mail

• Email, sometimes written as e-mail, is simply the shortened form of “electronic mail,” a system for receiving, sending, and storing electronic messages.

• It has gained nearly universal popularity around the world with the spread of the Internet. In many cases, email has become the preferred method for both personal and business communication

What is Email and Why is it Popular?

• An electronic message sent from one computer to another.

• Email saves money and time compared to regular mail.

• An email message takes seconds to reach destination.

How does Email Work?

Email travels via the Internet from one computer to another.

Computers known as mail servers direct outgoing mail and store incoming the mail.

Once email reaches your mail server, it waits in an electronic mail box, the "Inbox” for you to collect it.

Things You Can Do with Email

• Compose and Send: write an email and send it to others.

• Reply: reply to an email that you received.

• Forward: pass on an email that you received to others.

• Attachment: You can send files with your email such as:pictures, music, software and documents

Introduction

An email address consists of 3 parts:

Unique User Namechosen by the email

account owner

Domain Namecompany/organization

providing the email service

[email protected]

“At” sign

Two Ways to Get Email

1. Provided by your Internet Service ProviderMonthly fee for internet connection often includes email service.• BOL- [email protected]

2. Free Web-Based Service ProvidersAdvertising on the site pays for the service.• Gmail - …@gmail.com• Hotmail - …@hotmail.com

Two Ways People Check Email

1. Web-Based Email• Login to a web site• Messages stay on the mail server• Can be accessed from any computer with internet connection

2. Using Email Software• Open and login to your email software application (e.g. Outlook)• The application retrieves your messages from the mail server and

saves them to your computer’s hard drive

How to Sign Up for a Email (Gmail)Account

1. Go to www.gmail.com

2. Click on “Sign Up for Gmail”

3. Fill in the Registration Form

Signing up for an email Account

Should I provide accurate person information or is it OK to lie?Unique login name

Password registration boxes and password strength

Security questionAnswer to the security question

Description of Google’s Web History

Opening a mail(gmail) account

Email address for authenticating accountLocation of person creating an accountWord verification

Terms of Service policy and links to other user policies

Button for creating Gmail account

Cont’d

Sending and Receiving Email

1. Go to www.gmail.com 2. Type in your username

and password3. Click on the ‘sign in’

button


INBOX

MAIN

MENU

CONTACT

LIST


Sending an EmailTo: Type full email address of your class partner

Subject: Type a title for your message

Message: Type your message in this box

Send: Used to send emails


Confirmation message:Confirmation message and link to sent message


Checking for New Email Messages

The number of new messages in your account appears beside the Inbox link.Main Menu


The Inbox

Messages already opened

Un-read message in bold font


Your Messages

TitleSender Date

Double click on a subject to read a message

Reading a Message (Without header information)


Message

Sender’s name and email address

Show details link


Reading a Message (With header information)

Message

Date sent

Sender’s name and email address

Receiver’s email address

Managing your Messages

Replying to a Message

“Replying” to a message sends it back to the person who sent it to you.

Exercise:• View the message from your partner• Click on the “Reply Button”• Type in a Reply• Click on Send


Forwarding a Message

By “forwarding” you can pass a message on to other friends.

• View the message from your partner• Click on the “Forward” button• Type an address into the “To” box• Click on “Send”


Three Ways to Delete Messages

1. Click on the delete button while viewing a message OR

2. Click on the small arrow next to ‘Reply’ and select ‘Delete Message’OR

3. From the “Inbox”1. Click on the check box beside a message you want to delete2. Click on the delete button


The Trash Folder

• Deleted messages go to the “Trash” folder.

• If you delete something by accident, you can retrieve it from “Trash”.

• If you delete a message in “Trash”, it is gone for good.

• You can delete everything in the “Trash” folder by clicking on “Empty”

Conclusion

Email Security• Always sign out, especially if you are using a public computer!

• Never send your SIN or bank account number by email.

• Beware of messages that:– Ask for your bank account information, even if they say they want to put money into

your account (e.g. The Nigerian Scam)– Ask you to click on a link, login and verify personal information (e.g. Phishing bank scams)– inform you that you have won a prize/money and ask for personal information in order

to give you your prize

Conclusion

Always Remember to Sign Out!

What is Social media?

Brings communities of people together. Free. Popular with all ages. Keep up with people you care about. Allow others to keep up with you via your posts of text, photos and links. Link to articles, chat with other FB members, invite people to events.

Why social media

Points to ConsiderThe minimum age for a facebook page is 13 years old. Married women may want to use their maiden name and married name so older friends can reconnect. It’s okay to decline friend requests. Accept or ignore at your discretion. To deactivate your account, click Account Settings, Security and Deactivate Account. Take advantage of the Privacy Settings. Easy on the updates. Oversharing can be a problem. Every meal eaten doesn’t have to be a status update.

Never Give Out :• Your name• Your address• Your phone number• Your birthday• Your school name• Any other personal information

• EVERY TIME YOU ENTER INFORMATION

YOU GIVE UP PRIVACY

Question 2

• Before I buy something online or access a site requiring payment I should:

A. First make sure I really want itB. Check with my parentsC. Check out store prices first.

The Correct Answer is B

Question 3

• It’s OK to give someone by password.

TrueTrue FalseFalse

The correct answer is of course False.

Passwords are:

• Valuable pieces of information• Can allow someone to access your Email• Allow access to you AOL account to charge

products sold on the Internet

No legitimate website or person would ever quest them.

Question Four

• I can send a photo of myself online when:A. It’s to a friend or family memberB. I’ve told my parents and they’ve given me

permission to do soC. It’s to my cyber friend

The right answer is B

Question #5

• If someone I meet online gives me his phone number I should:

A. Call him right away.B. Give him my phone number alsoC. Ask my parents permission before I call

The answer is C

Question #6

• I should never respond to Email messages from people or organizations I’m not familiar with.

• True• False

Obviously the correct answer is true

Dangers are:

The Email may be a scam to sell you something

If you respond you are confirming a valid Email address

You can encourage the sender to forward inappropriate Emails or add you to other lists

Question #7

• Photos can be downloaded from the internet when:

A. They’re from a cyber friendB. It’s in your EmailC. My parents give me permission to do so

The correct answer is C

Question #8

• If someone send me an inappropriate message or materials I should immediately:

A. Not reply to it and save itB. Tell my parentsC. Contact my service providerD. All of the above

The right answer is D

Question #9

• If someone I’ve met online wants to meet in person I should:

A. Never consider doing so before talking to my parents about it

B. Tell my best friend and take her withC. Keep it a secret

Of course the right answer is A

Question #10

• Who Developed the Internet?A. Bill Gates from MicrosoftB. The U. S. GovernmentC. A man from the Netherlands named LINUX

The answer is B

The Final ??

• Any information you get on the internet is trustworthy.

TrueTrue FalseFalse

The answer is definitely False.

Family Contract For Online SafetyKids Pledge1. I will not give out personal information such as my address, telephone number, parents’ work address/telephone number, or the name and

location of my school without my parent’s permission.2. I will tell my parents right away if I come across any information that makes me feel uncomfortable.3. I will never agree to get together with someone I “meet” online without first checking with my parents. If my parents agree to the meeting, I

will be sure that it is in a public place and bring my mother or father along.4. I will never send a person my picture or anything else without first checking with my parents.5. I will not respond to any messages that are mean or in any way make me feel uncomfortable. It is not my fault if I get a message like that. If I

do I tell my parents right away so that they can contact the service provider.6. I will talk with my parents so that we can set up rules for going online. We will decide upon the time of day that I can be online, the length of

time I can be online, and appropriate areas for me to visit. I will not access other areas or break these rules without their permission.7. I will not give out my Internet password to anyone (even my best friends) other than my parents.8. I will be a good online citizen and not do anything that hurts other people or is against the law.

I AGREE TO THE ABOVE:

___________________________________Child Sign Here

I will help my child follow this agreement and will allow reasonable use of the Internet as long as these rules and other family rules are followed.

________________________________________ _________________________________________Parent(s) Sign Here

Contract Time• A contract is used when you suspect your teen is being

inappropriate online or violating your home rules.• If your teen violates your contract it is automatic revocation

of privileges for your determined period of time. Have them sign it.

• Hang this on the refrigerator.• Some Examples of violations:

– If your teen does not know full information of his buddy.– If they X out when you come into the room.– If they tell you “you can’t see this it’s private.”– If your teen is up late at night past bed time.– If they receive money, gift certificates, cameras or scanners that they

can’t explain.

What is a Buddy List?• When looking at your child’s Buddy

List your child should be able to tell you who each person is by the screen name.

• A Buddy List is a list in AIM, AOL, and Yahoo of the common or frequent contacts your child has.

• If they don’t know them by first, last name and phone number, they should not be on the buddy list. If you don’t know that person neither should they.

• Some kids lie about who that person actually is and they make it up. Check the Screen names yourself to call their bluff.

Why is my teen’s cell phone bill so high?• When teens are banned or away

from the computer, they use text messaging to IM friends who are on the computer.

• This is when they could speak to someone you do not want them to talk to.

• You can check the cell phone account on line and see who they are talking to. Just sign into the cell phone provider online and check the in box and out box.

Electronic Harassment

Disorderly Conduct

Electronic HarassmentDisorderly Conduct

• Includes the use of electronic communication for any of the following purposes:

1. Making any comment, request, suggestion or proposal which is obscene with the intent to offend

2. Interrupting phone service with the intent to harass3. Transmitting any file, document, or other

communication which prevents a person from using their telephone or e-comm device.

Harassment… continued

4. Threatening injury to person or property of the person receiving the e-comm or family or household members

• Examples: Enlisting the operator to break into a phone conversation.

• Any form of electronic communication that alarms and/or disturbs the receiver (like disorderly conduct)

• Email bombs or sending consecutive messages that cause denial of service (DNS)

• Any forms of threats toward a user or those related to them

Cyber-Stalking• A person commits cyber-stalking when he/she knowingly and

without lawful justification on at least 2 separate occasions, harasses another person through the use of electronic communication and:

• At any time transmits a threat of immediate or future bodily harm, sexual assault, confinement or restraint and the threat is directed towards that person or a family member of that person.

• Places that person or a family member of that person in reasonable apprehension of immediate or future bodily harm, sexual assault, confinement or restraint. (Class 4 Felony)

Empower Yourselfand

The Parents• Lets work together to keep our kids safe.• This is not a matter of violating their privacy.• The parents are responsible for their children.• We need to guide them in good times and in bad.• It is not that they are doing bad things. They do not have

enough experience to handle adult type situation.• They really have not been here as long as we have!

Documents

Introduction To Internet What is the Internet? 1.The internet in simple terms is a network of the interlinked computer networking worldwide, which is