https://letsknowaboutcomputer.blogspot.com/2011/10/lets-know-about-fundamentals-of.html
lets know about fundamentals of computer
just click the link given below
www.cs.utah.edu/~swalton/Documents/Computer-Fundamentals.pdf
just click the link given below
www.cs.utah.edu/~swalton/Documents/Computer-Fundamentals.pdf
