Data communication system using remote location
Components of data communication system
Communication system has following components:
Message:it is the information or data to be communicated it consists of text numbers picture sound or video or any combination of these.
So: it is the device computer that generates and send that message.
Receiver:it is a device or computer that receive the message the location of receiver computer is generally different from the centre computer the distance between sender and the receiver depends upon the types of network used in between.
Medium:it is the channel of physical path through which the message is carried from sender to receiver at MBD impact and wildlife twisted pair wire coaxial cable fibre optic cable or wireless like laser reviews and microwave.
Protocol:it is a set of rules that govern the communication between the device both sender and receiver following protocols to communicate with each other.
Transmission of media
When choosing the transmission medium what are the factors to be considered
*Transmission rate
*Distances
*Cost and ease of installation
*Nafees tense to environmental condition.
There are two types of transmission media
*Guided
*Unguided
Twisted pair cable
twisted pair cable in the bed of to plastic insulated copper wire sister together to form a single media.
