Answer:
The main difference between second generation (2G) and third generation (3G) technology is data. 2G services were developed with mostly voice services in mind, but are capable of providing relatively slow (14.4kbps) speed data services.
Answer:
B
Explanation:
You need Name , Age and Gender
the second requirement should only match the last row where age is 20 and gender is male.
thrid requirement of the query is that its syntax should be correct.
Option B staisfies all of required so it is the correct option.
No
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An open-source physical computing platform that can take input from a variety of switches or sensors to control physical objects is known as Arduino.
Arduino means an electronics prototyping system is built to simplify microcontroller projects. The concept is to product these projects without having to know much about microcontrollers or programming, microcontrollers for dummies is one tips of explaining Arduino. Arduino has function to control of traffic lights, it can also be used for the real time control system with programmable timings, pedestrian lighting etc. Arduino can respond with buttons, LEDs, motors, speakers, GPS units, cameras, the internet, and even your smart-phone or your TV.
Learn more about Arduino at brainly.com/question/13098809
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