Satellites are the mainstay of communication around the world, whether for voice calls, short message service, Internet and live television programmes of events at another faraway locale in the world. However, with the advent of dense networks of fibre optic cables linking different parts of the world together, the relevance of satellites for facilitating transfer … More How many communication satellites do we need?
Internet browsers are what they are: to allow the display of information retrieved from the Internet either through direct access to a webpage or through a search engine. Hence, for their design purpose, Internet browsers do not need access to a device or laptop’s microphone or camera. Firefox and Opera are two important alternative … More Unsafe browsers in Firefox and Opera due to their request for access to a device’s camera and microphone
Since its introduction to the world in 2010 as a free open source operating system, Android has moved into the most popular mobile operating system for smartphone and tablets with a predominant market share in individual countries around the world. But, what is Android? And, more importantly, how does Android in one manufacturer’s phones and … More Different layers of the Android operating system
Email is the dominant form of written communication that has narrowed distance between people on opposite sides of the world. Low cost, fast, and delivered securely through a series of interconnected servers around the world, email has replaced letters as a standard for communication, even for important communication requiring high level of security. Most … More Protecting email servers of universities from hacking