Design & Technology
Systems and production methods
A system includes inputs, processes, outputs and often feedback. Manufacturing systems are planned using flowcharts, and controlled by visual, mechanical or electronic devices. Quality control checks that products meet the design specification and quality. There are different scales of production system and many of them use CAM [CAM: Stands for Computer-Aided Manufacturing - the use of computers to assist in any of the phases of manufacturing a product. ]. Everyone involved in designing and making products has a responsibility to minimise risks.
A system is a set of components arranged to carry out a particular function. They may include mechanical, electrical or electronic components.
Most systems have a fourth element - feedback - which is a way of changing the input or process as a result of what happens at the output.
In a production system, feedback means checking that the product meets the specification and adjusting the process to make sure it does.
Many systems have automatic feedback, where feedback from one part of the system switches another part of the system on or off. This sort of system is called a closed system.
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