Answer:
Gradient, in mathematics, a differential operator applied to a three-dimensional vector-valued function to yield a vector whose three components are the partial derivatives of the function with respect to its three variables. The symbol for gradient is ∇.
Explanation:
<span>Question 1.
Over the last year or so wearable tech has gone mainstream, and the hottest devices on the planet are now ones you can place on your wrists, arms and faces.
Question 2.</span><span>Many people today have a feeling or sense that wearable technology is the future. For professionals who work in the field, it is not just a feeling, it is an obvious truth.
Question 3. </span><span>This was Sergio’s second year at the event and I was attending for the first time. We were both interested to hear about upcoming trends and changes that could affect our industry from leaders in the field. And there was plenty to get our teeth into. The main “track” featured experienced web design speakers and professionals, while a “rising star” segment provided a platform for fresh thoughts and ideas – as well as experts with more controversial views on web design.
Finally question 4. </span><span>If you’re in the same room with someone, there’s certainly nothing faster than just opening your mouth and talking. But in our global economy, many of the people we need to communicate with are in different locations. Technology allows us to easily connect with people worldwide using our choice of forums. We don’t have to wait for a stamped letter to make its way across the miles or rack up a big long-distance phone bill (as was the case not that long ago); instead via the Internet we can instantly reach almost anyone whether through email, instant message, social media, or countless apps. As the speed of communicating has ramped up, costs have been dramatically reduced.</span>
