Where does the history of IT begin?

Well, the answer of this question, "one must first understand the basic concept of information technology as a whole".In its most basic form, information technology's aims is to help communication between computers and users. This form of technology can be completed via input, processing, output, and various other communication types. Essentially, the history of IT can be split into four periods:

(1)premechanical

(2) mechanical

(3)electromechanical

(4)electronic

Before we delve into each category, remember that the key word here is "communication."

Prior to any form of mechanics, the very first humans sought to communicate through very simplistic sketches that we now call "petroglyths." For the most part, these drawings were in the form of pictures, and often they depicted daily life. Around the year 3100 B.C. the Sumerians came up with the cuneiform language, and this became the very first type of written language. After the Sumerians, along came the Egyptians with their papyrus plants, and they took communication to a whole new level when they began to use a form of the modern pen with papyrus as a type of paper.

Now, let's skip ahead to the Mechanical Age (1450-1840). Johann Gutenberg invented the first sort of movable metal-type in 1450. After this machine was invented, books began to pop up and the concept of a computer was born. Once this was conceived, there was no stopping civilization and around the end of the 18th century, telecommunication really began to grow stronger. Beginning with the Voltaic Battery and ending with the telephone and the radio, communication was really on a role. Once the computer was invented (many years later), the history of IT took an entirely different sort of path.

The flow of information has changed the way of our living in today world. Into thye other words we can say that "Information is the backbone of every system".
Every morning when we read a newspaper having out so much information we came to know the latest happening in the world , yeah you are right even the internet edition also. This is just a very basic example of IT in our daily life.
All our Railways, Air and even sea travelling networks are connected with the help of IT. The information about these thing we can get into very short time. Even if we have do not have information for one minute it may result into a big disaster.We can take the example of banking. It is very to transact any amount of money from part of the world to other with help of e-commerce. We can purchase anything
online with help of debit and credit cards. This has made our lives more and more simple.Now days if we want to buy to something and are not getting it nearby store then we can simply search for that thing on internet and then order it on the internet. We will get it delivered at our doorstep with just few clicks of mouse.IT is very good friend of human at present time.
Similarly if we want to travel around the world we can book airline tickets online and even book rooms into five star hotels.
People are working on the internet without really having to go outside to their workplace.IT has changed the whole scenario. IT Companies can share there technologies onlineEven the doctors can guide the other doctors while operating on a patient with the help of Information Technology.
A whole new world is coming in front of us by the IT.
Today, almost everyone has some sort of involvement with a computer, though those people who work in this field they can often work many different jobs. Humans have always found a way to effectively communicate (as we have seen), which makes this type of technology one of the oldest trades on the face of the earth.