History The concept of Multiplexing originated in telegraphy in the 1870s, and is now widely applied in different streams of communications. Introduction The transmission of data over a network, either in wireless or wired medium, requires to solve the problem of being able to send a large amount of data Read more…
History of Computer Networks In 1960, the ARPANET (Advanced Research Projects Agency Network) was widely recognized as the world’s first operational packet-switching computer network and the foundational technology of the modern internet. Developed By: The U.S. Department of Defense’s Advanced Research Projects Agency (ARPA, now DARPA). First Operational: 1969. Key Milestone: The first successful message transmission occurred on October 29, Read more…
Encoding Introduction Encoding is the broader term, and modulation is a subset of encoding. All modulation is encoding, but not all encoding is modulation. Encoding is the general process of converting data into a signal suitable for transmission or storage. Modulation is a special case of encoding in which a Read more…
Slno Name of Books Author Publication Computer Network 1. Computer Networks A. S. Tanenbaum Practice Hall of India 2. Introduction to Data Communication & Networking Behrouz Forouzan Tata McGraw Hill(TMH) 3. Computer Networking J.F. Kurose & K.W. Ross Pearson Publication 4. Communications Networks Leon Garcia, and Widjaja Tata McGraw Hill Read more…
Computer Network Basics Ques. : What is the difference between Network and Computer Network? Ques. : What is Networking? Ques. : What is Node in a Computer Network? Ques. : What is Link in a Computer Network? Ques. : What is the difference between internet, intranet and extranet in a computer Read more…
Difference Between Data and Signal 4. Slno Data Signal 1. Data is what we need to sent through a medium.Data is being carried from one place to another. Signal is what we can sent.Signals are used to carry information from one device to another. 2. Data is Read more…