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Articles by Kiran Kumar Panigrahi
Page 2 of 32
Difference between Router and Modem
Both routers and modems are essential network devices that serve different purposes in connecting devices to the internet. A modem converts digital signals from your computer into analog signals for transmission over telephone or cable lines and vice versa. A router operates at the network layer to direct data packets between different networks and find the shortest path to their destination. Understanding the difference between these devices is crucial for setting up and troubleshooting home and business networks effectively. What is a Modem? A modulator-demodulator (modem) is a hardware device that converts digital data from computers into ...
Read MoreDifference between Hub and Switch
A hub and a switch are both networking devices used to connect multiple devices, but they operate fundamentally differently. Hubs are basic network devices that operate at the Physical Layer and broadcast data to all connected devices. Switches function at the Data Link Layer and intelligently forward data only to the intended recipient using MAC addresses. Understanding the differences between hubs and switches is crucial for network design, as switches have largely replaced hubs in modern networks due to their superior performance and security features. What is a Hub? A hub is a basic networking device that ...
Read MoreDifference Between Interrupt and Polling in OS
An operating system acts as a bridge between hardware and applications. The CPU handles all system tasks, but sometimes situations arise when it's required to interrupt the currently running task and take rapid action. Therefore, operating systems use two methods: interrupt and polling for dealing with such events. Both methods pause the CPU from its current work and make it execute essential tasks. Both interrupt and polling differ significantly from each other in several ways. In this article, we will discuss the important differences between interrupt and polling in operating systems. What is Interrupt? A signal to ...
Read MoreDifference between Volatile Memory and Non-Volatile Memory
Volatile memory and non-volatile memory are two fundamental types of computer memory that differ significantly in their data retention capabilities and usage patterns. Volatile memory requires continuous power to maintain data and is used for temporary storage, while non-volatile memory preserves data even when power is removed, making it suitable for permanent storage. Memory Types Comparison Volatile Memory Loses data when power off Examples: RAM, Cache Fast access Temporary storage Non-Volatile ...
Read MoreDifference between BOOTP and DHCP
BOOTP (Bootstrap Protocol) is used to configure hosts and obtain host addresses along with bootstrap information. DHCP (Dynamic Host Configuration Protocol) is an extended version of BOOTP that provides dynamic host configuration capabilities. Both protocols handle automatic IP address assignment, but they differ significantly in their approach and capabilities. What is BOOTP? The Bootstrap Protocol is a networking protocol defined in RFC 951 that allows a configuration server to automatically provide IP addresses to network devices in Internet Protocol networks. When a network-connected machine boots up, its IP stack sends out BOOTP network signals requesting an ...
Read MoreDifference between SDRAM and DDR
SDRAM and DDR are two different types of RAM technologies. SDRAM stands for Synchronous Dynamic Random Access Memory and was released in 1993. DDR stands for Double Data Rate SDRAM, which is an enhanced version of SDRAM that provides double data transmission in each clock cycle. Understanding the differences between these memory types is crucial for system design and troubleshooting, as they have different performance characteristics, physical specifications, and power requirements. What is SDRAM? SDRAM is a type of DRAM that operates synchronously with the system clock, allowing it to run at higher speeds than conventional asynchronous ...
Read MoreDifference between Ethernet and LAN
A LAN is a computer network that is limited to a particular geographic area. Ethernet, on the other hand, is a LAN network standard used in wired LAN. Go through this article to find out more about the features of Ethernet and LAN and how they are different from each other. What is Ethernet? Ethernet is a widely used LAN standard that defines networking technologies and systems used in local area networks (LANs) to connect computers inside a single physical space. It is defined under IEEE 802.3 standards and is part of the Physical and Data Link layers ...
Read MoreDifference between Fast Ethernet and Gigabit Ethernet
Ethernet is a set of protocols that are used primarily in LANs, although they can also be used in larger networks like MANs and even WANs. Ethernet was first standardized in the 1980s as the IEEE 802.3 standard. Since then, it has seen several upgrades and its data carrying capacity kept increasing with each upgrade. Standard Ethernet can support data speeds up to 10 Mbps. Fast Ethernet can carry data at a maximum speed of 100 Mbps. Gigabit Ethernet data speeds reached a maximum speed of 1 Gbps. 10-Gigabit Ethernet can ...
Read MoreDifference between LAN and VLAN
A Local Area Network (LAN) is a physical network that connects devices within a limited geographical area, while a Virtual LAN (VLAN) is a logical network that groups devices across potentially multiple physical networks. VLANs enhance network performance, security, and management by creating broadcast domains independent of physical location. Understanding the distinction between these two networking concepts is essential for network design and administration. What is LAN? A Local Area Network (LAN) is a network that spans a limited geographical area, typically within a single building or campus. It connects computers, servers, printers, and other networked devices ...
Read MoreDifference between WiFi and LiFi
WiFi and LiFi are two wireless communication technologies that enable data transmission without physical cables. WiFi uses radio frequency signals through routers, while LiFi utilizes light signals through LED bulbs to transfer data. Both technologies serve the purpose of wireless connectivity but operate on fundamentally different principles and offer distinct advantages and limitations. WiFi vs LiFi Technology Comparison WiFi Technology Router ...
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