The Internet Relay Chat is a protocol used for live interactive internal text messaging or simultaneous conferencing. It is mainly designed for group communication in discussion forums, called channels, but also allows one-to-one communication messages as well as chat and data transfer including file sharing.IRC is the way of communicating in real time with people from all over the world. IRC has separate networks like IRC servers, machines which allow users to connect to IRC.Working of IRCGenerally, the user runs a program to connect to a server on one of the IPC nets.The server relays information to and forms other ... Read More

Let us understand the concepts of Hub and Router before learning the differences between them.HubHubs work at the Physical layer and are used to link all the devices connected to it to form a single network. It is a common connection point All the devices connected to the hub can see the packets sent out by the hub.AdvantagesThe advantages of Hub are as follows −Hub is less expensive when compared to switches and routers.A Hub is used to internally connect between systems in a network.DisadvantagesThe disadvantages of Hub are as follows −A hub cannot accommodate more devices which make it ... Read More

Memo is also called a memorandum which is a concise and informal communication within an organization to inform about policies, procedures, or any other official message.Letter is a form of written communication addressed outside the organization. It contains a long formal message to inform someone of a specific topic. The tone of the letter depends on the relationship between sender and recipient.Email is another form of routine electronic communication within an organization or outside the organization. It requires an email account and internet connection.DifferencesThe major differences between Memo, letters, and Emails are as follows −MemoLetterEmailShort and PreciseLong and informativeInformal and ... Read More

A botnet is called as a collection of infected devices which are internet connected and these devices are controlled by the cyber-criminal with the help of malware. Usually, users are unaware of a botnet that is affecting their PC. Botnets normally used to send spam mails, create unusual traffic, etc.Botnet is installed on the PC which is vulnerable because of outdated firewalls or antivirus.Once the target device gets affected the attacker can control bots with two approaches −Client server approach − In this approach, first a server is set up which then sends commands to bots via communication protocol. After ... Read More

Let us understand the concepts of Skype and Google Hangouts before learning the differences between them.SkypeSkype is a telecommunication application that provides the feature of video and voice calling to the user with the help of the internet via computer, laptop, tablet, smart phones etc.Skype was launched in the year 2003 by Niklas Zennström, from Denmark. However, it gained popularity from 2010. In the covid-19 situation, skype acquired a huge market. In March 2020, Skype was used by 100 million people on a monthly basis and by 40 million people on a daily basis, which was a 70% increase in ... Read More

Domain names will always have an extension which is also called a TLD (Top Level Domain).Examplemyworld.com (. Com used for Commercial for-profit websites)myworld.net (. Net used for Network-related domains)myworld.org ( .org used for Non-profit organizations)When we are making websites, we can choose from a wide range of domain extensions. The extensions are originally created for different types of websites each having a specific meaning.We have to choose a domain name extension which fits your business while helping you build a recognizable brand in your industry..comWe use .com domain name because the .com domain name indicates a commercial site. .com is ... Read More

A protocol is nothing but a set of rules which are followed by the communicating entities for data communication.The protocol depends on the following −Syntax − Syntax is the format of data which is to be sent or received.Semantics − Semantics is the meaning of every section of bits that are transferred.Timings − It refers to the time at which data is transferred as well as the speed at which it is transferred.The communication between the computers in the Internet is defined by different protocols. The protocols TCP (Transmission Control Protocol) and IP (Internet Protocol) build on the basis of ... Read More

Let us see the difference between Zoom vs Google Meet vs Webex by comparing their installations, features, strengths and weaknesses.ZoomThe installation requirements for Zoom are as follows −An internet connection (wired/wireless) with a minimum of 600 kbps (up/down) for 1:1 calling and 1 mbps (up/down) for group calling.Speakers and microphone (external or internal or even over Bluetooth).A webcam (built-in or USB plug-in)An internet browser or the zoom applicationA minimum of a single core 1Ghz processor or a dual core processor with 4GB of RAMFeaturesThe features of Zoom are as follows −Built-in tools for screen-sharingSupport for up to 1000 participants and ... Read More

Token ring is a physical unidirectional ring, where the systems are connected to the ring through some interface.In the token ring a special frame is called a token which is always circulated on the ring. If a system has to transmit then it needs to acquire the token without a token no system can transmit. Only one system can transmit at a time. Hence it is collision free protocol.The token ring source is responsible for removing the frame from the ring. In normal token ring operation, a station sending information holds the token until the sending data circles the entire ... Read More

Network is a connection of two or more systems which are used to share resources and information.Network CommunicationFlow of information among the group of members is a communication network. Network helps managers to establish contacts in different patterns through communication flows.The network depends on the magnitude of the organisation, nature of communication channels in the organisation and the number of persons involved in the process. There can be many patterns of communication networks.Function of Communication devicesThe functions of communication networks include the following −It is the way of coordinating the activities of individuals, relationships, groups and other sub-units within the ... Read More