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The terms internet, intranet and extranet are commonly used on daily basis by different people especially in business transactions; however the difference between them still remains unclear to others. The internet, extranet and intranet all rely on the same TCP/IP technologies. They are only different in terms of the levels of access they allow various … Read more
When it comes to electromechanical systems, electric motors are generally used to convert electrical energy into mechanical energy. Among the various types of electric motors, the 2 pole and 4 pole motors stand as the most common. Let us talk about 2 pole vs 4 pole motors by looking at the principles behind their operation, … Read more
Computer systems process large amounts of data while at the same time delivering valuable information to users. To facilitate this intricate interaction between humans and machines, input and output devices act as the bridge that enables seamless communication. What Is An Input Device? An input device is a piece of hardware component used to provide … Read more
What Is DFS (Depth First Search)? Depth First search (DFS) is an algorithm for traversing or searching tree or graph data structures. The algorithm starts at the root (top) node of a tree and goes as far as it can down a given branch (path), then backtracks until it finds an unexplored path, and then … Read more
Dispersion also referred as pulse spreading, it signifies the spreading out of pulses of light waves when it is propagated through the optical fiber. It occurs mainly because of the difference in time taken by the propagation of optical rays in different paths within the fiber core. The different dispersion mechanisms include: In other words, … Read more
In the fast-paced digital age, the television industry has undergone a transformative revolution, offering consumers a wide range of options that promise to redefine their entertainment experience. Digital TV refers to the migration from analog to digital broadcasting, offering improved image and sound quality, enhanced reception, and the potential for additional channels. A Smart TV … Read more
Television (the electronic delivery of moving images and sound from a source to a receiver), is currently delivered in a variety of ways: “over the air” by terrestrial radio waves (traditional broadcast TV); along coaxial cables (cable TV); reflected off of satellites held in geostationary Earth orbit (direct broadcast satellite, or DBS, TV); streamed through the Internet; and … Read more
Remote Authentication Dial-In User Service (RADIUS) RADIUS is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) services primarily for remote access. It allows a network access server (NAS) to communicate with a central server to authenticate users and authorize their access to network resources. It’s commonly used for dial-up, VPN, and wireless … Read more
What is Patch cable? A patch cable, also known as a patch cord or patch lead, is a type of Ethernet cable used to connect devices within a local area network (LAN) or to connect network equipment to a data outlet. Patch cables are commonly used to establish temporary or permanent connections between devices such … Read more
Power over Ethernet (PoE) switches are network switches that provide power to connected devices over Ethernet cables, eliminating the need for separate power sources. There are several standards for PoE, including PoE, PoE+, and PoE++, each offering different levels of power delivery and compatibility. Let’s talk about them. PoE (Power over Ethernet) PoE, based on … Read more