Touch screen technology is known to have been invented in 1965, however the extensive use of the technology began with the commercial growth of computer industry. With rising craze of touchscreen, market for touchscreen gadgets such as phones, laptops, tablets etc. has significantly grown in the last decade.

Touchscreen is like an invisible keyboard; so when you press a key, it completes an electrical circuit through which the current flows. The variation in current from different keys is detected by the processor to differentiate and understand different commands.  Read More...