Global Digital Security Surveillance and control systems of state agencies, private and military institutions exist around the globe. World-Information.Org provides in depth information on the major surveillance systems such as ECHELON and an analysis of their political, geographical, technical and organizational status. Moreover the status quo in the development and usage of digital identification and tracking technology and the evolution and utilization of cryptography is investigated. Related search: Global Digital Security

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Operating system An operating system is software that controls the many different operations of a computer and directs and coordinates its processing of programs. It is a remarkably complex set of instructions that schedules the series of jobs (user applications) to be performed by the computer and allocates them to the computer's various hardware systems, such as the central processing unit, main memory, and peripheral systems. The operating system directs the central processor in the loading, storage, and execution of programs and in such particular tasks as accessing files, operating software applications, controlling monitors and memory storage devices, and interpreting keyboard commands. When a computer is executing several jobs simultaneously, the operating system acts to allocate the computer's time and resources in the most efficient manner, prioritizing some jobs over others in a process called time-sharing. An operating system also governs a computer's interactions with other computers in a network.

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