I want to know that why we use '@' in email addresses. I think most of the people understand this is so silly question. but I think there is some logic behind this. If somebody having any ideas ...
In practically every computer I've had, there's always been a light to display hard drive activity. What's it's origin and original use?
Crtl and alt have become common place on just about any computer keyboard sold anywhere in the world (I even saw a picture of them on a typewriter...). But what were these sacred modifier keys first ...