How Does Google Work? Learn How Google Works: Search Engine...
Online free typing tutorial with typing lessons for Qwerty keyboard. Tracks progress. Qwerty keyboard picture. Qwerty home row keys. Hands positioning over keyboard. Uses music to encourage typing rhythm.
Shortly I came across an mp3, titled the "Virtual Hair cut", and believe me I was bewitched by the level of hearing illusion. By the time I finished the mp3, I got hold of my hair to assure that they are 'there' and It was just an illusion!!
Most computer users understand that you need an operating system to use a computer practically, even if it is not clear why. But many users don't.