Internet is a worldwide collection of networks that links millions of business, government agencies, educational institutions, and individuals.
Advantages and Disadvantages of Internet
Advantages : faster communication
as an information resources
for entertainment
social networking
online services
e-commerce
Disadvantages : theft of personal information
spamming
virus threat
pornography
social disconnect
Intranet
Intranet is a private network that created by companies and organizations to allow their employee or members, authorize person and specifies customers to access the Intranet.
Advantages and Disadvantages of Intranet
Advantages : increase in productivity
quick access to information
relatively cheap to set up
high bandwidth - no connection limits unlike the Internet
Disadvantages : high cost of maintaining
separate software must be needed for Internet and e-mail
high cost of training - time and budget
Extranet
Extranet is a computer network that allows business outside the central company to access some part of their network.
Advantages and Disadvantages of Extranet
Advantages : work is done quickly as compared to past manual systems
information can be modified, updated, and changed immediately
Disadvantages : costly to apply and maintain within an organization
lack of face to face meeting between employees, clients and organization
