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Managing and defining multiple tasks over different physical and digital workspaces are done by using various strategies.In this paper we put light on how computer based task management tools can support task management on a desktop or a smart phone and how it reacts in a fatal situation to the processes out of limit. The key concept in any of the operating system which allows the particular system to support multitasking system, etc. is Task Scheduling. It’s the core which refers to the basic way; different processes are allowed to share the common CPU. Scheduler and dispatcher are the software which helps to carry out this project.

The thought of shaping your ideas into reality has achieved its literal meaning. A future where we can hold a tangible product in our hand which was the part of our imagination minutes ago is around the corner. The 3D Model printing isalready an exciting and successful venture. Manufacturing a product which you saw on the shelf of a local store, a complicated industrial part, a small and precise component of an aircraft, or just a prototype that gives shapes to your idea. In printing system domains, they majorly use two technologies either using CAD software to make the digital files or to use a three-dimensional scanner to scan a 3D object to create a digital copy and to validate and implement the printed model. We are mainly having three techniques for 3D model creation like Selective Laser Sintering (SLS), Fused Deposition Modeling (FDM) and Stereo lithography (SLA). We present an illustrative study of the 3D printing techniques, working of 3D printer, their benefits and drawbacks, its impact on the economy.