If you want a brief history of information Technology, here is one.

Humans were the first computers.

Then machines were invented to carry out computational tasks.

Now is machines have given way for

new form of information technology. Information has become accessible anywhere. Information technology deal with acquisition, processing , storage, dissemination of vocal, pictorial, textual and numerical information by a microelectronics-based combination of computing and telecommunication. Thank to the continuous development of computer the original computing systems becomes minicomputer and later personal computer tooks the lead.

Nowadays, mobile phone are dethroning the personal computer and computing is evolving faster to become disembodied mor like a cloud , becoming more accessible more easily when ever needed.

Information technology in this sense has transformed people and companies and has allowed digital technology to influence society and economic alike.