👉 Pencil computing, also known as stylus-based computing or touch-sensitive pen input, is a user interface paradigm that leverages a stylus or pen to interact directly with digital devices. This technology enables intuitive and precise input through touch-sensitive surfaces, such as tablets or smartphones, by converting the physical movements of the pen into digital actions. Users can draw, write, annotate, and manipulate content with a level of naturalness and precision that traditional touchscreens or keyboards often cannot match. Pencil computing has revolutionized how we interact with digital content, making it particularly popular in fields like graphic design, education, and creative industries, where fine motor skills and direct manipulation are crucial.