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Computer Network Articles
Page 79 of 122
What is the difference between DSS and ESS?
Let us begin by learning about Decision Support Systems (DSS) and Executive Support Systems (ESS), two important types of information systems used in business organizations. Decision Support System (DSS) A Decision Support System (DSS) is a computer-based information system that supports business and organizational decision-making activities. It provides tools and capabilities to help decision-makers analyze data and make informed choices, but does not make the actual decisions. DSS collects, organizes, and analyzes business data from multiple sources including databases, files, personal knowledge, and business models. The system helps organizations identify problems, evaluate alternatives, and support decision-making processes ...
Read MoreWhat are the differences between FDMA, TDMA, and CDMA?
Multiple users need to share a communication channel efficiently. FDMA (Frequency Division Multiple Access), TDMA (Time Division Multiple Access), and CDMA (Code Division Multiple Access) are three fundamental techniques that enable multiple users to access the same communication medium without interference. FDMA (Frequency Division Multiple Access) FDMA is an analog technique that divides the available frequency spectrum into separate frequency bands. Each user is assigned a unique frequency band for the entire duration of their communication session. In FDMA, the total bandwidth of the channel is divided into logical channels, with each transmitting device given exclusive control ...
Read MoreWhat is the difference between a Control Plane and a Data Plane?
In networking, routers and switches operate using distinct functional layers called planes. The two most important planes are the control plane and the data plane, each serving different but complementary roles in network operations. Control Plane The control plane is the "brain" of network devices that makes intelligent decisions about how data should flow through the network. It handles routing protocols, maintains routing tables, and establishes communication paths between network devices. Key functions of the control plane include: Routing protocol processing − Running protocols like OSPF, BGP, and RIP to exchange routing information ...
Read MoreWhat is the difference between Email and Gmail?
Electronic mail, commonly known as Email, is a method of exchanging digital messages over computer networks. Understanding the difference between email as a technology and specific email services like Gmail is essential for anyone using digital communication. What is Email? Email stands for Electronic Mail and refers to the transmission of messages over the internet using standardized protocols. Email operates using multiple protocols within the TCP/IP suite: SMTP (Simple Mail Transfer Protocol) − Used to send messages POP3 or IMAP − Used to retrieve messages from mail servers Configuration requirements − ...
Read MoreWhat is the architecture of ISDN
ISDN (Integrated Services Digital Network) is a circuit-switched network technology that provides end-to-end digital connectivity over traditional telephone infrastructure. It bridges the Central Office's local loop and customer premises by using digital switching and transmission techniques to deliver voice, data, video, and fax services over a single line. The term "Integrated Services" refers to ISDN's capability to simultaneously deliver multiple types of communication services—data, voice, video, and fax—over a single digital connection. Multiple devices can be connected to the line and used as needed, making it a versatile solution for both residential and business applications. ISDN Services ...
Read MoreWhat are the design Issues in the Physical Layer?
The physical layer is responsible for transmitting raw bits from one device to another over a physical transmission medium. Unlike higher layers, the physical layer is not concerned with the meaning of bits, but focuses on the physical aspects of signal transmission, connection establishment, and hardware interfaces. Physical Layer Design Issues Connection Management Signal Encoding Data Delivery Fault Detection Data ...
Read MoreWhat is the Platform as a Service (PaaS)?
Platform as a Service (PaaS) is a cloud computing service model that provides a complete development and deployment environment in the cloud. It offers developers a virtualized platform containing all the necessary tools, frameworks, and services to build, test, and deploy applications without managing underlying infrastructure. PaaS delivers computing resources, memory, storage, databases, and application development services through a unified platform. Organizations can use PaaS solutions to create applications for internal use or commercial distribution, eliminating the need to purchase and maintain physical servers, operating systems, and development tools. PaaS Architecture Layers ...
Read MoreWhat is 3D Internet?
The 3D Internet represents the next evolutionary step beyond traditional 2D web browsing, creating immersive virtual environments where users can interact with content in three-dimensional spaces. Unlike conventional websites that display flat pages, 3D Internet delivers interactive real-time 3D graphics, transforming how we experience digital content. This technology aims to replicate real-world interactions in virtual environments, enabling users to navigate, manipulate objects, and communicate in ways that mirror physical reality. The 3D Internet leverages technologies like virtual reality (VR), augmented reality (AR), and advanced 3D rendering to create these immersive experiences. 2D vs 3D ...
Read MoreWhat is Blackberry Technology?
BlackBerry is a proprietary mobile technology platform developed by Research in Motion (RIM), now known as BlackBerry Limited. The BlackBerry ecosystem consists of smartphones, tablets, and enterprise services designed primarily for business communication and productivity. BlackBerry technology is best known for its push email service, which delivers emails instantly to the device without user intervention. This service operates through the BlackBerry Enterprise Server (BES), which integrates with popular email systems like Microsoft Exchange, IBM Lotus Domino, and Novell GroupWise. The platform provides an end-to-end wireless email solution that enables seamless access to Outlook inbox, calendar, contacts, and other ...
Read MoreWhat are the types of stations for the HDLC Protocol?
High-Level Data Link Control (HDLC) is a bit-oriented protocol developed by the International Organization for Standardization (ISO) under standards ISO 3309 and ISO 4335. It defines a packetization standard for serial connections and has been widely adopted worldwide due to its versatility in supporting both half-duplex and full-duplex communication, point-to-point and multi-point networks, and switched or unswitched media. HDLC provides different modes of operation, including a sliding window mode for reliable delivery and an unnumbered data mode for unreliable delivery used by some Internet applications where higher-level protocols like TCP handle retransmission. HDLC Station ...
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