by admin | Jun 7, 2015 | sem3
Data Communication Codes DATA CODES This refers to the way in which data is represented. The sender and receiver must use the same code in order to communicate properly. Here, we will briefly look at two common codes, one which was developed earlier on and was widely...
by admin | Jun 7, 2015 | sem3
Data Communication Circuits Circuit configuration is the basic physical layout of the circuit. There are two fundamental circuit configurations: point-to-point and multipoint. In practice, most complex computer networks have many circuits, some of which are...
by admin | Jun 7, 2015 | sem3
Standards Organizations for Data Communications Standards Organizations for Data Communications Because of the wide number of hardware manufacturers, a standard is essential in order to connect one computer to another computer if a different type. There are recognized...
by admin | Jun 7, 2015 | sem3
History of Data Communications Human communication did not start from scratch. All living species need to communicate with others of their kind. The father apart they are, the more sophisticated are the modes of communication. Plants communicate with other plants via...
by admin | Jun 7, 2015 | sem3
Data Communications Data communications refers to the exchange of data between a source and a receiver. Data communication is said to be local if communicating devices are in the same building or a similarly restricted geographical area. The meanings of source and...
by admin | Jun 7, 2015 | sem3
Digital Communication System – Comparison DIGITAL COMMUNICATION SYSTEM – COMPARISON (ASK- FSK- PSK- QAM): S.No Parameter PSK DPSK QPSK QAM FSK ASK 1 Modulation of Phase Phase Phase Amplitude and Phase Frequency Amplitude 2 Equation of transmitted...
