2ND QUARTERLY EXAM COMPUTER 9

refers to the transmission of digital data between two or more computers.

• Data communications

• data network

• Internet

is a telecommunications network that allows computers to exchange data.

• Data communications

• data network

• Internet

The best-known computer network

• Data communications

• data network

• Internet

Using a network, people can communicate efficiently and easily via email, instant messaging, chat rooms, telephone, video telephone calls, and video conferencing.

• Facilitating communications

• Sharing hardware

• Sharing software

Users connected to a network may run application programs on remote computers.

• Facilitating communications

• Sharing hardware

• Sharing software

In a network environment, authorized user may access data and information stored on other computers on the on the network.

• Facilitating communications

• Sharing hardware

• Sharing software

Are represented as an electromagnetic signa

• data

• Internet

• software

is the information to be communicated. Popular forms of information include text, numbers, pictures, audio and video.

• Receiver

• Sender

• Message

• Transmission medium

Device that receives data messages.

• Receiver

• Sender

• Message

• Transmission medium

Device that sends data messages.

• Receiver

• Sender

• Message

• Transmission medium