Alan

It must be connected to

a…

Telephone line / television

cableModem

An ISP(Internet Service

Provider)

Before – In The Early

1980s

Internet reached 4 locations

A few hundred users

Recently –2007

Reached every continent

Internet reached…

• Canada’s Melville Islands(a remote area near the North Pole)

• Antarctica

Just 3 Years Before –

2009

1 600 000 000 users; 355 X no. of

people in Singapore

Internet is connection –

enables millions of users to send and receive info

instantly

Because through the use

of…

Telephone cables/Television

cables

Satellite

By 2

02

0 … 2 000 000 000 users

400X no. of people in Singapore

Almost 30% of the world’s population will have

access to the internet

• Web is used to access the Internet

• Was created in computer language to share info

No

Web is used by booksellers to…

Not all books are available online

Do not need to worry about computer issues

like …

• Advertise the books that they sell

• Their bookstore

• Making readers more aware of the booksellers

• A ‘virus’ infection

• A computer crash

Advantages

• Allow info to be obtained quickly

• Improve communication with people across continents

• Anywhere in the world with a web connection

Disadvantages

• Do not know the person you are talking to; there may be bad things about them

• Required to learn about cyber wellness

• Computer problems like…

• Infected with virus

• Having spyware

• Personal info stolen

Protecting Yourself from Danger

Avoid disturbing images, gambling, shopping online and believing everything you see

Do not make friends with strangers; they may have

a double identity

Never give out personal information

Do not participate in cyber bullying

Do not be addicted to the Net

Get information only through reliable sources

An A

lan P

roductio

n