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Articles by Pranavnath
Page 13 of 39
Types of Joints in Optical Fiber
Optical fiber is a technology through which data passes in the form of light at high speed. It is a thin transparent cable that is flexible and can be bent easily. Fiber optic cables can be joined multiple times in one installation using specialized joints. Joints are used to transfer light from one fiber optic cable to another and are made up of plastic or glass materials. In this article, we will explore the various types of joints in optical fiber. Fiber Optic Joint Connection ...
Read MoreUnderstanding Internet of Robotic Things
The Internet of Things (IoT) enables connecting smart devices to the network where these devices can communicate with each other without human intervention. This technology allows users to transmit huge amounts of data through wireless media. When IoT is combined with robotics, it creates a more advanced paradigm called the Internet of Robotic Things (IoRT), which adds intelligence, autonomous decision-making, and physical interaction capabilities to connected devices. IoT vs Internet of Robotic Things Traditional IoT • Data Collection • Remote Monitoring ...
Read MoreBlock Cipher Design Principles
A Block Cipher is an encryption algorithm that works with a symmetric key to transform fixed-size blocks of plaintext into ciphertext blocks of the same size. The plaintext is divided into several blocks of equal size, typically 64, 128, or 256 bits. If the plaintext length doesn't allow equal block division, padding is applied to complete the final block. Block ciphers process each block independently using the same key, producing deterministic output where n input bits always generate n output bits. However, identical plaintext blocks can produce different ciphertext blocks depending on the encryption mode used. This makes block ...
Read MoreTypes of Bridge Protocol Data Unit (BPDUs)
In this article, we will understand the types of Bridge Protocol Data Unit (BPDU). BPDU is the messaging mechanism used by switches in the Spanning Tree Protocol (STP) domain to exchange critical network topology information. The Spanning Tree Algorithm uses BPDU transmission to discover and understand the network topology, preventing loops and ensuring optimal path selection. When devices are connected to switch ports, data transmission doesn't begin immediately. Instead, ports transition through various STP states, and BPDUs are used during this process to determine network topology and enable switches to gather information about each other. ...
Read MoreAdvantages and Disadvantages of GPS
Global Positioning System (GPS) is a satellite-based navigation system originally developed for military use. The first fully operational GPS became available in 1995, followed by civilian vehicle integration in 1996. GPS consists of a constellation of satellites orbiting Earth that continuously transmit signals to ground-based receivers, enabling precise location determination through trilateration. The system requires signals from at least four satellites to calculate accurate position coordinates and timing information. GPS operates globally without requiring internet connectivity, though internet access enhances functionality. The most widely used GPS system is NAVSTAR, operated by the United States. ...
Read MoreGrid Computing
Grid Computing is a distributed computing model that connects multiple computers across different geographical locations to work together as a unified system. It enables organizations to harness the collective computational power of idle computers across networks to solve complex problems that would be difficult or expensive to handle with traditional computing resources. Grid computing emerged in the 1990s as an evolution from cluster computing, creating a virtual supercomputer from interconnected heterogeneous nodes. Unlike traditional computing systems that rely on centralized resources, grid computing leverages distributed resources that can be dynamically allocated based on demand. ...
Read MoreUnicodes in computer network
Unicode is a universal character encoding standard that provides a consistent way to represent and handle text from all the world's writing systems. Developed by the Unicode Consortium in 1991, Unicode solves the limitations of ASCII by supporting millions of characters including letters, symbols, mathematical notations, and emojis from different languages and scripts. While ASCII can only represent 128-256 characters (sufficient only for English), Unicode can encode over 1.1 million characters, making it essential for modern global communications and computer networks. Unicode Character Encoding Coverage ASCII ...
Read MoreRake Receiver
A Rake Receiver is a specialized receiver architecture used in CDMA (Code Division Multiple Access) systems to combat the effects of multipath fading. When radio signals encounter obstacles like buildings or terrain, they reflect and scatter, creating multiple copies of the signal that arrive at the receiver with different delays, amplitudes, and phases. The Rake receiver, developed by Price and Green, exploits this multipath phenomenon by capturing and combining these delayed signal copies to improve reception quality. How Rake Receiver Works The fundamental principle behind the Rake receiver is multipath diversity. Instead of treating multipath propagation as interference, ...
Read MoreUnderstanding Tethering Network
Tethering is a network feature that enables a mobile device to share its internet connection with other devices such as laptops, tablets, or computers. This technology transforms your smartphone into a mobile router or modem, providing internet access in environments where traditional Wi-Fi or wired connections are unavailable. The primary advantage of tethering is its versatility − it allows users to establish internet connectivity anywhere with cellular coverage, making it an essential tool for remote work, travel, and emergency situations. Tethering Network Architecture ...
Read MoreDifference between broadcast and Multicast
Broadcast and Multicast are two fundamental communication methods in computer networks for transmitting data from one source to multiple destinations. Broadcasting sends data to all hosts within the same network, while multicasting delivers data to a specific group of interested hosts across networks. Understanding the differences between these methods is crucial for network administrators and developers to choose the most efficient communication strategy for their applications. Broadcast vs Multicast Communication Broadcast S ...
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