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IoT Technician (Smart City) Practice Test: Embedded Systems
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Avg score: 56% Most missed: “What is the full form of LDR in context to sensor?”
An Embedded System is a system that has electronic hardware with software tightly coupled together. Processor, Timers, Interrupt controller, I/O Subsystem, Memories, Ports, etc. Single 8 bit or 16bit Microcontroller. Low hardware and software complexity. Embedded systems are often programmed using embedded C.  Some examples of embedded systems include:  Digital watches, Washing machines, Toys, Televisions, Digital phones, Laser printers, Cameras, Industrial machines.  Embedded systems can be classified into four categories based on performance and functional requirements: Real-time... Show more
IoT Technician (Smart City) Practice Test: Embedded Systems
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18 Questions

1. What happens when light falls on LDR?
2. How many digital output pins are there in arduino?
3. How many LEDs are present in seven segment display?
4. What is full form of IDE?
5. How can you supply power to Arduino board?
6. What does LM35 sensor senses?
7. What is an embedded system?
8. What is actuator?
9. Which one is a gas sensor?
10. What is an Arduino-Uno board?
11. What is the function of light sensor?
12. How many analog output pins are there in arduino?
13. What is STM?
14. What is the full form of LDR in context to sensor?
15. A relay is a            , which open and close circuits electromechanically or electronically.'
16. What does Light Dependent Resistor sense?
17. What is the function of rain sensor?
18. Identify the distance measuring sensor.