First Generation of Computers

A computer is an electronic device that has the ability to perform a various task that a human cannot do, it processes, calculates and operates based on instructions provided by a software or a hardware program. It is designed for the simplicity of humans, it can easily perform a task in seconds that would require so much of hard work for humans.

Like the UNIVAC and ENIAC, the first computer ever made. But have you ever wondered how it all started? How was the First generation of computer” like? Today we talk about the First generation of computer.

The first generation of computer was created in 1942 and used until 1955. The first generation of computer is considered to be created by J. Presper Eckert and John Mauchly. They were the very first working computer ever created.

The first generation of computer names are UNIVAC(Universal Automatic Computer)  and ENIAC (Electronic Numerical Integrator And Computer). These computers are examples of first-generation computing devices. These are considered to be the first operational electronic digital computers in the United States.

UNIVAC (Universal Automatic Computer)

First generation of computer/UNIVAC
First generation of computer – UNIVAC

ENIAC (Electronic Numerical Integrator And Computer)

First generation of computer/ENIAC
First generation of computer – ENIAC

Vacuum Tubes

Lee De Forest invented Vacuum Tubes in 1906.  During the first half of the twentieth century, it was the fundamental technology that was used to construct radios, televisions, radar, X-ray machines, and a wide variety of other electronic devices.  Vacuum Tubes were able to manage and amplify the electronic signals. And played a major role in the creation of First generation computer.

As it was the very first computer so they had some advantages and disadvantages as well. Below we discuss the advantages and disadvantages of First generation of computer.

Advantages of First Generation of computer

1) The first electronic component that was accessible during those days were Vacuum tubes.

2) It is because of Vacuum tube technology that made it possible to develop an electronic digital computer.

3) The calculation capabilities of these computers were in milliseconds.


Disadvantages of First Generation of computer

1) These computers were large in size

2) A large amount of energy was consumed

3) Due to a large number of vacuum tubes, these computers heated very soon

4) Not reliable or trustworthy

5) Air conditioning was required

6) Maintenance was required consistently

7) These computers were not portable

8) Their commercial production was very costly

9) Limited commercial use

10) Quite slow in speed

11) Limited programming capabilities

12) Cannot support languages other than machine language

13) Magnetic drums used to store data that provide less facility of data storage

14) Punch cards were used for input

15) Not versatile

16) Very faulty.

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