Fundamental Gate/Basic Gate

Today we discuss about Basic gate/ Fundamental Gate. Any query you can contact 01975786100. To download this class note  you can click here. A  new ICT guide book is available in market- A complete reference book for H.S.C “Information & Communication technology.” Written By- Md. Rasel Kabir.   Incoming Search …

Basic elements of data communication system

Communication is the process of transferring message from one point to another point. Data transmission process was first introduced in 1960 between a central computer and a distance terminals. If you want to know  about- a)Definition of communication system b)Elements of data communication system: c)Data transmission Speed d)Difference between Synchronous …

Data Communication and Computer Network

Topic: Mobile and Wireless Communication(For H.S.C 2nd Year) Chapter-6, Lecture no-1   Lecturer-1, Digital phone 1.      Definition of Digital telephone Digital telephone is the use of digital electronics in the provision of digital telephone service and system. Telephone invented in 1876, Inventor Alekgender Grahambal. VOIP(Voice over internet protocol)it’s also  one …

Data transmission Speed

                                                                                    Data transmission speed A term used to describe the data-handling capacity of a communications system is bandwidth. Bandwidth is the range of frequencies that is available for the transmission of data. The wider the bandwidth of a communications system, the more data it can transmit in a given period …