sachintechnologyworld

                                                                       NETWORK CARD A Network interface card, NIC, or Network card is an electronic device that connects a computer to a computer network, usually a LAN. It is considered a piece of computer hardware. Today, most computers have network cards. Network cards let a computer exchange data with the network. To achieve the connection, network cards use a suitable protocol, for example CSMA/CD. Network cards usually implement the first two layers of the OSI model, that is the physical layer, and the data link layer. Today, most network cards use Ethernet. Other network types are ARCNET, introduced in 1977, LocalTalk or Token Ring. There are many network cards which are compatible to only respective software. depending on your computer architecture...

                            HUB Network hubs are best suited for small, simple local area network (LAN) environments. Hubs cannot provide routing capabilities or other advanced network services. Because they operate by forwarding packets across all ports indiscriminately, network hubs are sometimes referred to as "dumb switches." With limited capabilities and poor scalability, network hubs had primarily one competitive advantage over switches: lower prices. As switch prices fell in the early to mid-2000s, hubs began getting phased out of use. Today, hubs are far less commonly deployed. But network hubs have some niche uses and continue to offer a simple means of networking. How network hubs work Network hubs are categorized as Layer 1 devices in the Open Systems Interconnection (OSI) reference model. They connect multiple computers together, transmitting data received at one port to all of its other ports w...

 What is the Difference between 32-Bit and 64-Bit Processors? There are many things to consider when buying a new Computer. We look for RAM size, Processor, CPU, GPU, Hard Disk and display etc. But when it comes to select a Processor’s category, we prefer 64-bit Processor. In fact, Most people want 64-bit Processor PC without even knowing what does it mean to have 64-bit Processor and What is the Difference between 32-Bit and 64-Bit Processors?. It’s good to have knowledge of many terms which are used daily but people don’t give much attention. In this article, let’s discuss 32-Bit and 64-Bit Processors and what does it mean for your PC. Difference between 32-Bit and 64-Bit Processors Whenever you buy an operating system, a software or a game, you probably see 32-bit and 64-bit options available. If you’re a Windows user, you must have noticed that you have two Program Files folders — one simply “Program Files” and the other labeled “Program Files (x86).” This “Progra...

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