History of TCP/IP Reference Model TCP/IP Reference Model was created in the 1970s by DARPA(Defense Advanced Research Project Agency), an agency of the United States Department of Defense. It laid the foundation for ARPANET(Advanced Research Project Agency Network), which was the world’s first wide area network and a predecessor of Read more…
Icons There are several small 2D or 3D graphical images scattered over the desktop are called icons. It represents various items found on a desktop in simpler form which is used in several work of computer. These Icons may also be found on the toolbars and in the menus of Read more…
Malware or Preserve Software and Malicious Activities Perverse Software is also known as Malicious software or Malware programs. Malware is short for malicious software. Malware programs are also known as Attacking elements. Perverse software is a program that causes hindrances/disturbances in other programs’ execution in such a way resulting in modification Read more…
There are following types of Programming Languages/Programming Paradigm are seen in modern times – (A) Imperative Programming Paradigm (a) Procedural Programming Paradigm (1.) Structured Programming Paradigm (2.) Non-Structured/UnStructured Programming Paradigm (b) Object Oriented Programming Paradigm (B) Declarative Programming Paradigm (i) Functional Programming Paradigm (ii) Logical Programming Paradigm (C) Hybrid Programming Read more…
List of some Common Internet and Web Applications or Services Gopher Gopher system was released in mid-1991 by Mark P. McCahill team in USA. The name was coined by Anklesaria due to several meanings of the word “gopher” i.e. a gofer is an assistant who “goes for” things, and a gopher a North Read more…
Introduction The Central Processing Unit (CPU) is like the Brain of the computer. This is because it takes all major decisions, makes all sorts of calculations, and directs different parts of the computer functions by activating and controlling the operations. The task of performing operations like arithmetic, logical, and non-logical/arithmetic Read more…
Data Transmission Rate/Data Rate/Bit Rate Data rate is a fundamental concept in data communication that defines the speed of data transmission. Data transmission rate refers to the speed at which data is transmitted from one device to another in a communication system. It indicates how much data can be sent Read more…
Introduction A typical computer network, either LAN, MAN, or WAN is consists of a large number of communication devices along with communication medium or channels. To build a typical LAN, especially, we need to have computers, communication mediums or channels, NOS(Network Operating System), and networking devices such as Hubs, Switches, Read more…
Introduction A switch is used to connect the incoming link to the desired outgoing link and directs the incoming message to the appropriate outgoing link. A communication switch is used to allow/stop the flow of messages through the path connecting the receiver and the transmitter. The role of a switch Read more…
Introduction of Networking Model The Network Model manages communication between computers and network devices. They define rules, protocols, and structures for data communication. Most of the computer networks today are organized as a series of layers arranged as a stack one upon another. The layering of the network model is Read more…