Usually this is an analogue signal so it needs to be converted into digital data for the computer to process. In all cases, numerical data is extracted to capture the state of traffic in the sensed area. greenhouses, swimming pool halls ... Jonathan Rodriguez, in Computer Science Review, 2018. Computer Science Level 1 - Blocks Unit 9 - Developing Algorithms. Findings by OSU College of Engineering researcher John … This is done using by an Analogue-to-Digital Converter (ADC). A sensor measures a specific property data and sends a signal to the computer. To get the best plant growing conditions temperature and humidity (moisture in the air) have to be controlled. A computer in the engine reads the voltage and, if the mixture is not optimal, readjusts the balance. central heating, fire alarm; Humidity: measures water vapour in the air, e.g. Because it monitors how threads access some resources. A monitor is a synchronization mechanism that allows threads to have: mutual exclusion – only one thread can execute the method at a certain point in time, using locks; cooperation – the ability to make threads wait for certain conditions to be met, using wait-set; Why is this feature called “monitor”? The greenhouse therefore has temperature and humidity sensors linked to a computer, and the computer has a control program storing details of the correct temperature and humidity settings. A computer-controlled greenhouse. Outline. Outline. The following are some sensors with explanation and example uses: Heat: measures temperature, e.g. Computer Science Level 1 - Blocks Unit 7 - Decisions with Colors. Monitors also have a mechanism for signaling other threads that their condition has been met. Unit 9 - Developing Algorithms ... Identify how to use a sensor value in the Boolean condition in the [Repeat until] block, and another sensor value in the [If then else] block, in order to make repeated decisions with multiple sensors. Sensor types []. New sensor and actuator technology allows advanced methods for optimised operation (and also planning) of low voltage networks. The computer inside the alarm will pick up on the broken light signal and use this information to sound the alarm # Sensors can also be used for a wide range of data collection and everyday applications. The sensor is a major breakthrough for fields such as image recognition, robotics and artificial intelligence. A burglar climbs through a window and walks through an alarm’s light sensor. In concurrent programming (also known as parallel programming), a monitor is a synchronization construct that allows threads to have both mutual exclusion and the ability to wait (block) for a certain condition to become false. A monitor consists of a mutex (lock) object and condition variables. Examples of sensors used by RSU are loop detector counts, traffic video, acoustical, and in-road magnetic sensors.
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