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This A-to-Z glossary defines key Computer Science terms you need to know. Computer science professionals pursue a career focused on various aspects of computing technology and its applications.
Revision notes on Sensors for the CIE IGCSE Computer Science syllabus, written by the Computer Science experts at Save My Exams.
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- Sensors, Sensors Everywhere — Now Also in XS Size
- How Sensors Work
- Types of Sensors
- Internet of Things and Beyond
We live in a world of sensors. From the tactile elevator buttons to the thermometers in our homes, they’re everywhere. Our smartphones, for instance, are equipped with an array of performant sensors. Whenever you fly a plane, there’s a whole arsenal there, telling the pilot everything about air pressure, speed, tilt, anything that can really help f...
You first start with something that you want to sense — the quantity you’re measuring. The human body, for instance, is great at sensing light (with our eyes), smells (with our nose), and tastes (with our mouth). In essence, our body is equipped with a set of sensors, but each carries out a specific task. Similarly, if you want to build an electron...
Sensors can be classified based on several different aspects. For instance, sensors can be either: 1. active (which require an external signal); or 2. passive (which work without any external signal). Sensors can also be: 1. analog (produce an analog output, ie a continuous signal); or 2. digital (which work with discrete, digital data). Most commo...
Sensors are no longer used just in engineering — in medicine and biotechnology, they are important tools that measure biological or physical processes. Environmental science as we know it today wouldn’t exist without accurate sensors, and practically every field that needs physical information uses sensors to get it. Every smart object is smart tha...
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Mar 6, 2023 · Speed Sensor: Sensor used for detecting the speed of any object or vehicle which is in motion is known as speed sensor .For example – Wind Speed Sensors, Speedometer ,UDAR ,Ground Speed Radar . Temperature Sensor:
Sensors are advanced devices that are used to sense and react to signals, either electrical or optical. A sensor translates the physical characteristic of the input into a signal which can be calculated electrically.
Conversion rate The speed at which a D/A or A/D can convert or the number of samples per second of a sensor. Conversion time The time required for a conversion in an A/D or D/A or for a sen-sor to have a new set of output data ready.
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Big Data - The problem beginning in the 21st century of processing vast amounts of data coming at or refreshing at very high speed. For example satellite sensor data, city monitoring sensors, gene sequencing data, etc. Binary - The base 2 number system. Integer can be encoded as binary which is a string of 0's and 1's.
