Introduction to Computer Networks

• Why set up a computer network?
• Losses computer network established
• Computer network evolution
• Requirement of computer networks

Why set up a network?

• Sharing resources (printer, HD, etc.)
• Communication (email, chat, etc.)
• Data integration at the application 
• Etc.

The computer network losses

• Security threat data / information
• threat of virus
• Etc.

The evolution of computer networks

• Mainframe in an era 1960-1970
• LAN (Local Area Network) in the 1970-1980 era's
• WAN (Wide Area Network) in the 1980-1990 era's
• Internet in the era of the 1990s

Requirement of computer networks

1. hardware

• Network Interface Card
• Hub / Switch as consentrator & repeater
• Router to take across the network data packets to different
• Etc.

    2. software

Protocol as the rules that are used together in the data transmission process so that data transmission can be running properly