Computers : The Generations Of Computers Essay

743 Words Sep 28th, 2016 3 Pages
: ADOUTS THE GENERATIONS OF COMPUTERS:
There are five generations of computer:
 First Generations computer
 Second Generation computer
 Third Generation computer
 Fourth Generation computer
 Fifth Generation computer
1. First Generation of Computer:
1.01
When:
The time period of first generation computer is (1940-1956).
Who:
The vacuum tube was invented by an electrical engineer leeDeForestin 1906.Which was used in the first generation of computer.
What:
The first computer used vacuum tube for circuitry and magnetic drums for memory, and was often enormous, taking up entire room as you see in the above picture 1.01.w
How:
This generation computer relied on machine language. They could only solve one problem at a time. Input was based on punch cards and paper tape, and output was printed on paper.
Why:
The electronic numerical integrator and calculator (ENIAC), electronic discrete variable automatic computer (EDVAC) and universal atomic computer are examples of this generation computer .The UNIVAS was the first commercial computer delivered for business client.

2. Second Generation of Computer:

When:
The time period of second generation of computer is (1956-1963).
Who:
John Barden, William Bi Shockley and Walter H.Brattain invent the transistor at bell telephone laboratories in the mid of 1940s.That was used in the second generation of computer.
What:
The transistor replace vacuum tube in the second generation of computer. The transistor was…

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