Day: July 5, 2021

Computer Networking -Wireless Networks                                                                          Read More …

TYPES OF COMMUNICATION NETWORKS Communication Networks can be of following 5 types: 1. Local Area Network (LAN) 2. Metropolitan Area Network (MAN) 3. Wide Area Network (WAN) 4. Wireless 5. Inter Network (Internet) Local Area Network (LAN) It is also Read More …

INTRODUCTION TO COMPUTER NETWORKS A set of devices often mentioned as nodes connected by media link is called a Network. A node can be a device which is capable of sending or receiving data generated by other nodes on the Read More …

Terms used in Data communication A. Data Signal Analog signal is one type of continuous time-varying signals, and these are classified into composite and simple signals. A simple type of analog signal is nothing but a sine wave, and that Read More …

PRINCIPLE OF DATA COMMUNICATION AND COMPUTER NETWORKS DATA COMMUNICATION Refers to a process of transmitting data signals form one point through the network. Basic Communication Model A Communication model is used to exchange data between two parties. For example: communication Read More …

SYSTEM DOCUMETATION System documentation is information about built solution and acts as a reference for future maintenance or update efforts. A description of a program after it has been developed. It is organized based on system functionality rather than when Read More …