Essay on computer today or tomorrow / કમ્પ્યુટર ની કલ આજ ઓર કલ

Friends, in this book, I have explained the types of computers and their emergence and needs in simple language without any figures or nouns in the essay on computer today. For this I have taken help of various reference and various computer related articles and authors blogs, web sites and wikipedia, thus please note that only information is provided.