Security issue in IT and Emerging Trends
by 21st century has been defined by application of and advancement in information technology. Information technology has become an integral part of our daily life. According …
Tag: ITM
Information And Knowledge Concepts
Perspectives on Knowledge, Information, Data In everyday language we use knowledge all the time. Sometimes we mean know-how, while other times we are talking about …
World wide Web, Creating Web Pages Using HTML
Web development refers to building website and deploying on the web. Web development requires use of scripting languages both at the server end as well as …
Operation of Internet, Services provided by Internet
Internet Internet is defined as an Information super Highway, to access information over the web. However, It can be defined in many ways as follows: …
The Internet, Intranet and Extranets
Information technology has been rapidly advancing over the last decade, with information being available as an on demand commodity at levels never before imagined. Today, …
Network Architecture: The OSI Model, Inter Networking Devices
The International Standard Organization has a well-defined model for Communication Systems known as Open System Interconnection, or the OSI Model. This layered model is a …
Communication Media
Magnetic Media One of the most convenient way to transfer data from one computer to another, even before the birth of networking, was to save …
Concepts of Communication Networks
A system of interconnected computers and computerized peripherals such as printers is called computer network. This interconnection among computers facilitates information sharing among them. Computers …
Primary Network Topologies
The way in which devices are interconnected to form a network is called network topology. Some of the factors that affect choice of topology for …
Types of Data Communication Networks
Communication Networks can be of following 5 types: Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) Wireless Inter Network (Internet) …