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Computer Engineering Articles
Page 9 of 36
Advantages and Disadvantages of the TCP/IP Model
The TCP/IP model is a fundamental networking framework that defines how data is transmitted across networks. While it has become the backbone of modern internet communication, understanding both its strengths and limitations is crucial for network professionals. TCP/IP Model Layers Application Layer Transport Layer (TCP/UDP) Internet Layer (IP) Network Access Layer Advantages of TCP/IP Protocol Suite Industry-standard model − It is an industry-standard model that can be effectively deployed ...
Read MoreDifference between WiFi and BlueTooth
Both WiFi and Bluetooth are wireless technologies that are widely used to send and receive data wirelessly using radio signals. WiFi is designed for high-speed Internet access that connects nearby devices with each other and shares Internet connectivity via hotspots, whereas Bluetooth is optimized for connecting devices in short range with minimal power consumption. This article explores the key features of WiFi and Bluetooth technologies and examines their fundamental differences in terms of range, speed, power consumption, and use cases. What is WiFi? WiFi stands for Wireless Fidelity. It defines any network based on the 802.11 standards ...
Read MoreDifference between BlueTooth and Zigbee
Both Bluetooth and ZigBee are wireless technologies that are widely used to send and receive data wirelessly using radio signals. Bluetooth is a wireless technology that is used to connect devices in short range, whereas ZigBee is wireless technology standard for personal area networks that uses low-power digital radio waves. Go through this article to find out more about the features of Bluetooth and ZigBee and how they are different from each other. What is Bluetooth? Bluetooth was created under the IEEE 802.15.1 standard, which is used for wireless communication via radio transmissions. Bluetooth was first introduced ...
Read MoreDifference between Cluster Computing and Grid Computing
A cluster computer refers to a network of same type of computers whose target is to work as one collaborative unit. Such a network is used when a resource-hungry task requires high-computing power or memory. Two or more same types of computers are clubbed together to make a cluster and perform the task. Grid computing refers to a network of same or different types of computers whose target is to provide an environment where a task can be performed by multiple computers together on need basis. Each computer can work independently as well. Cluster ...
Read MoreExamples of Existing Networks
Some of the prominently used networks in today's world are examples that showcase different networking technologies and their applications in various domains. Internet The Internet is a global collection of interconnected networks that use the TCP/IP protocol suite to communicate. It represents the largest wide area network, connecting billions of devices worldwide through a decentralized architecture. The Internet encompasses private, public, academic, commercial, and government networks, but no single organization controls it entirely. This distributed control model ensures resilience and global accessibility. Internet - Global Network of Networks ...
Read MoreBasic Internet Usage
The Internet has revolutionized how we communicate, work, learn, and entertain ourselves. It provides a global network infrastructure that enables billions of users to access information, services, and applications from anywhere in the world. Understanding basic Internet usage involves knowing the various services available and how they can be utilized effectively for different purposes. Key Areas of Internet Usage The Internet finds applications across numerous domains of modern life: Communication − Email, instant messaging, video calls, and social networking platforms Education and Research − Online courses, digital libraries, academic databases, and collaborative research Business and ...
Read MoreDifference between Circuit switching and Message switching
Circuit switching and Message switching are two fundamental telecommunication techniques used to transfer data from a source to a destination. While both aim to ensure reliable data transmission, they employ fundamentally different approaches to establish communication paths and handle data transfer. Circuit switching creates a dedicated communication channel between two network nodes before data transmission begins. Message switching, on the other hand, does not establish a direct connection between source and destination − instead, intermediate nodes handle the data transfer using a store-and-forward mechanism. What is Circuit Switching? Circuit switching is a network switching technique that establishes ...
Read MoreSpanning Tree Protocol
Spanning Tree Protocol (STP) is a communication protocol operating at the data link layer of the OSI model to prevent bridge loops and the resulting broadcast storms. It creates a loop-free topology for Ethernet networks. Working Principle A bridge loop is created when there are more than one paths between two nodes in a given network. When a message is sent, particularly when a broadcast is done, the bridges repeatedly rebroadcast the same message flooding the network. Since a data link layer frame does not have a time-to-live field in the header, the broadcast frame may loop forever, ...
Read MoreX.25 and Frame Relay
X.25 and Frame Relay are two important packet switching technologies used in wide area networking. Both protocols enable efficient data transmission across WANs but with different approaches to error handling and performance optimization. X.25 Protocol X.25 is a protocol suite defined by ITU-T for packet switched communications over WAN (Wide Area Network). It was originally designed for use in the 1970s and became very popular in 1980s. Presently, it is used for networks for ATMs and credit card verification. It allows multiple logical channels to use the same physical line and permits data exchange between terminals with different ...
Read MoreThe IEEE 802.1Q Standard
The IEEE 802.1Q networking standard defines the specifications for VLANs (Virtual Local Area Networks) on IEEE 802.3 Ethernet networks. Commonly referred to as Dot1Q, this standard enables network segmentation by creating logical groups of computers that appear to be on the same LAN, regardless of their physical network location. VLANs allow network administrators to partition networks based on functional requirements, where each VLAN comprises a subset of ports on single or multiple switches. This enables devices within a VLAN to communicate as if they were on a separate physical LAN, providing improved security, performance, and network management. Key ...
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