by admin | Jun 7, 2015 | sem3
Data communication Hardware The transfer of data over a communications circuit requires appropriate hardware and software. Once these are working you can use various applications for the following services and operations:- Internet Having registered with an Internet...
by admin | Jun 7, 2015 | sem3
Error Detection and Correction There are many reasons such as noise, cross-talk etc., which may help data to get corrupted during transmission. The upper layers work on some generalized view of network architecture and are not aware of actual hardware data...
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...
