Correct option is C
● Siri is a well-known virtual assistant developed by Apple.
● It uses artificial intelligence and voice recognition to assist users.
● Siri can perform tasks like answering questions, setting reminders, and controlling smart devices.
● Virtual assistants work through voice commands or text input.
● They help users by automating routine tasks and providing quick information.
● Examples of virtual assistants include Siri, Alexa, Google Assistant, and Cortana.
● Virtual assistants are based on AI, machine learning, and natural language processing.
● They are commonly used in smartphones, smart speakers, and computers.
● With regular updates, virtual assistants become smarter and more accurate over time.