Overview of Data Communications

Flashcards covering key terms and definitions related to Data Communications.

Data

Raw facts that are collected.

Information

Processed data that helps in decision-making.

Telecommunication

The transmission of voice, video, and data, usually over long distances.

Data Communication

The movement of computer information from one point to another using electrical, optical, or wireless systems.

Networking

The topology and architecture used to interconnect devices.

Internet

A network of networks.

Wireless Technology

Technology that uses wireless transmission mediums for communication.

Multiplexing

The combining of information from multiple sources for transmission across a shared medium.

Modulation

The method of using electromagnetic radiation to send information.

Channel Encoding

Techniques used to detect and correct transmission errors.

Protocol

A set of agreed-upon rules for communication between sender and receiver.

Transmission Medium

The path by which a message travels from sender to receiver.

Message

The information communicated from sender to receiver.