Computer Studies Notes

9305 WordsJun 18, 201438 Pages
The International School Seychelles IGCSE Computer Studies CIE 0420 Theory Notes Contents 1 Applications Of Computers, Their Social & Economic Implications................................ 1 1.1 The Range And Scope Of Computer Applications ............................................................................. 1 1.2 The Social And Economic Implications Of The Use Of Computers....................................................... 3 2 System Analysis ......................................................... 6 2.1 Systems Analysis ................................................................... 6 3 Problem Solution, Algorithm Design & Programming Concepts............................. 8 3.1 Making An…show more content…
In forecasting systems, predictions are made about the future based on previous data, and a model of how the system works. Weather Forecasting Computer-aided design try to predict weather, taking data from sensors, using computer models of weather systems (CAD) designs for objects can be designed, altered and tested within the computer, prior to manufacture Monitoring And Control Systems A computer is used to monitor a system through the use of sensors (such as light, heat, etc.) The computer can then operate devices to control the system (such as pumps, valves, etc.) Monitoring hospital patients checks heart rate, etc. setting off an alarm if low Nuclear power station control monitors temperature, etc. and adjusts coolant Traffic survey and control checks the number of cars, alters traffic light timings Automation And Robotics The use of computers to control other mechanical devices. Usually requires some sort of interface which allows the computer to receive data from input sensors, and to control output devices such as motors. Domestic automation Automatic navigation Industrial robots washing machines, microwaves aircraft, ships, cars (GSM satellite navigation) used to work on manufacturing lines. Can work non-stop, 24 hours a day, 365 days a year. Can work in hazardous areas Expert Systems And Artificial Intelligence Artificial Intelligence (AI) is the attempt to simulate the human brain, and its

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