systems are convenient when sensors (such as smoke detectors) require power to operate correctly; however, they may be more costly to install. entry-level wired systems utilize a star network topology, where the panel is at the center logically, and all devices "home run" its wire back to the panel....
computing power with flexible capabilities normally purchased as a metered service. the national institute of standards and technology (nist) defines cloud computing as a "model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks...
privacy, identity & online security limiting unwanted calls and emails online security computer security how to protect your phone and the data on it laptop security malware p p file-sharing risks how to recognize and avoid phishing scams securing your wireless network tips for using public wi-fi networks...