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Let us understand the concepts of FDMA and CDMA before learning the differences between them.FDMA (frequency division multiple access)It is the division of the frequency band allocated for wireless cellular telephone communication into 30 channels, each of which can carry a voice conversation or, with digital service, carry digital data.FDMA is a basic technology in the Analog Advanced Mobile Phone Service (AMPS). In FDMA synchronization bits are not needed for continuous transmission. FDMA needs Tight filtering for minimizing interference. When the channel is not in use then FDMA will be in idle state.Code-division multiple access (CDMA)It is an example of ... Read More
Mobile security, or cell phone security, has turned out to be progressively imperative in portable computing. Of specific concern is the security of individual and business data now put away on cell phones.ThreatsA cell phone client is presented to different dangers when they utilize their phone. The dangers can disturb the operation of the cell phone, and transmit or change client data. So applications must ensure security and honesty of the data they handle.In expansion, since some applications could themselves be malware, their usefulness and exercises ought to be constrained.For instance, limiting the application from getting to area data by ... Read More
A real-time system means the system is subjected to real-time that means the response should be guaranteed within a specified timing constraint or system should meet the specified deadline.For example − Flight control system, real-time monitors etc.Features of Real-time SystemThe features of real-time system are as follows −Reliability − The system can operate for a long time without any interfere of the humanManageability − In a real-time system the cost of implementation is to be reduced.Performance − The system should be designed for the purpose of working easier and the workload should be reduced.Predictability − Within the given time, the actions ... Read More
Phishing is a type of social engineering attack which is often used to steal user data, including login credentials and credit card numbers and sensitive information without their knowledge that it is being extracted from them.The goal of a phishing attempt is to trick the recipient into taking the attacker’s desired action, such as providing login credentials or other sensitive information.Phishing TechniquesThere are different types of phishing techniques which are as follows −Deceptive PhishingA phisher sends bulk email with a message. Users are influenced to click on a link. These emails are broadcast to a wide group of recipients with ... Read More
Generally a network service is an application which runs at application layer and above and is used in computer networking.Network service provides data Storage, manipulation, presentation, communication. This is implemented using client-server architecture or peer-to-peer architecture.Service Interface is used to implement a Service-Oriented Architecture (SOA). This is implemented to achieve interoperability among the applications among various technologies.The basis of functions of each and every layered structure is to provide a service to the layer above it.Types of interface’s servicesThe types of interface’s services are as follows −Entities and peer entitiesAn entity is an active element in each and every layer, ... Read More
Network is a collection of computers that connect each other or communicate with each other. By using the network we can share the files from one place to another place.For example − We have some movies or some pdf in our laptop. A friend wants the pdf or movie, and he is away from us at a distance of 10km.But if we click the send button, it transfers the files to our friend. Here, the network is useful to transfer the data from one place to another place.Network is useful for resource sharing. It increases the storage capacity if we ... Read More
WhatsApp is an instant messaging platform, designed to make communication quick and easy. It is designed for a mobile and web version - that means the conversations can be managed on multiple devices, a feature that is valued highly by users.It displays read and delivery confirmation, as well providing users with the option to create group chats and make voice calls. It is the world's most popular messaging app, with around 1.5 billion active users. It is available for Android and other smartphones absolutely free unless we are not exceed our daily data limit.Facebook Messenger is a standalone app operated ... Read More
WhatsApp and Telegram are called instant messaging platforms, designed to make communication quick and easy. Both apps are designed for a mobile and web version - that means the conversations can be managed on multiple devices, a feature that is valued highly by users.Both apps display read and delivery confirmation, as well providing users with the option to create group chats and make voice calls.DifferencesThe major differences between Telegram and WhatsApp are as follows −TelegramWhatsAppIt was launched in 2013It was launched in 2009In telegram we can do file sharing up to 1.5GBWhatsApp allows file sharing only 16MB.In one telegram group ... Read More
Microsoft Team is a business communication platform which is developed by Microsoft team as a part of the Microsoft 365 family of products. It offers workspace chat, video conferencing, file storage and application integration.Skype is a Microsoft product which offers free video and audio calling which also has the ability to call landlines and smartphones with paid services anywhere in the world. It has a first mover advantage. It came into existence before the Facebook messenger.DifferencesThe major differences between Microsoft Team and Skype are as follows −Microsoft TeamsSkypeThis is a video conferencing and collaboration tool which exists in 2017, Now ... Read More
Let us see the detailed analysis and assessment of OSI and TCP/IP protocols.TCP/IPIt is a suite of communication protocols which is used to interconnect network devices on the internet. The Transmission Control Protocol/Internet Protocol (TCP/IP) is also used as a communication protocol in a private network.The entire internet protocol suite is a set of rules and procedures by providing end-to-end communications which identify how it should be broken into packets addressed, transmitted, routed and received at the destination.It is defined to make networks reliable, with the ability to recover automatically from the failure of any device on the network.History of ... Read More