Evolution of Computers

As of now 2021, Computers become very important for our daily life. Computers are in each of every sector like banking, gaming, health care sectors. 20 years back, computers were just used in some purposes only. But now computers become very important for each of every sector. In this blog we are going to discuss the following topics. What is a computer? Why computers are important? Evolution of Computers, and at last Is Computer Science the future of the world?

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A Computer is machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Computer consist of two things, one is Hardware and the other is Software. The all physical components of computer like keyboard, CPU, mouse, monitors etc. Comes under the Hardware. The programs, files and programming languages comes under the Software.


  1. In 1882, the first computer was invented by Charles Babbage.
  2. In 1880, Herman Hollirith developed in computer which can record and store information in it.
  3. In 1936, the first programmable computer was developed by Konrad Zuse.
  4. In 1947, Bell Telephone Company invented transistors which were the key component of the computer.
  5. In 1953, IBM(International Business Management) came out with there first computer.
  6. In 1962, the first computer video game was invented.
  7. In 1963, Douglas Engelbart invented the computer mouse.
  8. In 1974, IBM and Apple were the companies to sold personal computer(pc) to the people.
  9. In 1991, the first laptop computer came out.



Due to the use of computers, the communication become much more easier with the help of internet. Now you contact any person in the corner of the world. We can send messages to every person in the world within seconds, all this happen because of computers.


With the help of computers, Huge transactions can be made within seconds. Computers are used to store details about there product in business. Computers are used to keep of record of profit and loses of the company.


Due to the covid-19 pandemic, all schools shifted there education in online mode. Teachers use computers to teach children online. Due to computer, a student can learn anything which he wants from his home itself.


Computers are used in hospitals to keep the track record of the patients admitted to the hospital. They are used to detect diseases. They help doctors to perform an operation.

And there are many more reasons why computers become so important in this world.


Now we came to the most interesting topic in this blog. Nowadays, people are showing more interest towards computer science. Computer science is the most famous branch of education. New emerged careers such Artificial intelligence, Data science and full stack Developer are highest paying jobs in the world, all these are the parts of computer science. Due to the covid-19 pandemic the opportunities of other careers are some what decreased. But the opportunities in Computer science was tend to grow double. There are many career options in computer science. Experts suggest that the growth rate of computer science is 16 percent through 2028. With this we can say that Computer science is the future of the world.

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