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☆EXPLAIN ALL THE GENERATIONS OF COMPUTER IN BRIEF ?



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Answer 1

Hey there! ☺☻☺
============================================================                                     COMPUTER   GENERATIONS          ============================================================


♣ First Generation:

The first generation of computers  is comprised between the years 1946 and 1958. In these early years, computers were huge machines that used valves to operate and punched cards for data exchange, as well as, magnetic cylinders to store the information. They were slow and quite hot. Despite their low optimization for work, they were widely used in the military and scientific fields, due to their ability to perform highly complex calculations.


♣ Second Generation:


The second generation of computers starts in 1958 and ends in 1964. The radical change with respect to the first generation is the use of transistors, which drastically reduced the size of the equipment. The transistors managed to improve the efficiency of computers and facilitate their use. However, they were still slow and emanated a lot of heat. Magnetic cylinders were used for data storage and sophisticated programming languages ​​such as COBOL and FORTRAN were developed, giving rise to structured programming.


♣ Third Generation :


The third generation of computers is located between 1964 and 1971 and its main characteristic is the use of integrated circuits that miniaturized the electronic parts, making computers much smaller and more efficient and increasing the capacity of data processing. The first mini-computer of this generation was the PDP-8.


♣ Fourth Generation:


In this generation that goes from the years 1971 to 1983, the integration with diverse electronic components was maximized and the microprocessor or microchip appears. In this way, the performance of the equipment is improved, the computers become much smaller and more efficient and the capacity to carry out tasks and programs is maximized. The internal structure of computers becomes much more complex and efficient.


♣ Fifth Generation:



It is said that goes from 1983 to the present and in this arises the PC or the current computer, fast, efficient and with an ultra modern software development. They tend to be much smaller and thinner each time, they are characterized by having great speed of data processing, by using a large amount of RAM and using storage in solid devices and memory cards.Note: Today's computer are example of fifth generation.


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Answer 2

Heya!
Here's your answer!
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▶ The history of computers is divided into five generations which clearly describe the advancements that have taken place with time in computer technologies.

▶ Let's have a look towards these generations one by one.

⭐ FIRST GENERATION

↪ This era lasted from 1940-1956

↪ In this generation , computers were made and run using the mechanism of vacuum tubes .

↪ This mechanism exhausted a lot of energy and electricity alike , and excess of heat , hence this method was termed uneconomical.

↪ They were run on the most basic language made for computers ever , i.e. machine language.

↪ Storage capacity was extremely low and space occupied by the computer was very high. Thus it's rightly termed as the initial stage of computers when there were new advancements being done gradually.

↪ Examples of first generation computers are UNIVAC and ENIVAC


⭐ SECOND GENERATION

↪ In this generation , the vacuum tubes were replaced by transistors , which increased the efficiency considerably.

↪ The time period is 1956-1963

↪ though the transistors were a lot better than vacuum tubes , yet they couldn't reduce the amount of heat generated drastically.

↪ the second generation computers used assembly language , another of those primitive computer languages.

↪ These were made initially for the atomic energy agency.


⭐ THIRD GENERATION

↪ Time period 1964-1971

↪ The transistors were dropped away and instead integrated circuits or ICs came into use. They were better than transistors obviously and they reduced the size of the computer too.

↪ With third generation computers , the use of external hardware devices became prevelant. For example , use of monitors , keyboard etc came into widespread use.

↪ These computers had an operating system which made them function effectively , efficiently and easily.

↪ This generation gave a boost to the market of computer - buyers since computers became cheaper.


⭐ FOURTH GENERATION

↪ Time period 1972-2010

↪ All the controls of the computer system were summed up into a single microprocessor chip by the tech-giant Intel . This chip began to be used as a basis for computers .

↪ One microprocessor equalled thousands of integrated circuits. Computer size was reduced drastically again , they fitted in a palm now.

↪ In 1981 the first personal computer was designed by IBM .

↪ All hand-held gadgets and the GUI design came in this period.


⭐ FIFTH GENERATION

↪ Time period - 2010 - till date

↪ Advanced features and technologies have begun to occupy the space with artificial intelligence in computers , voice recognition features etc.. the list is endless.

↪ All of today's computers , tablets , PC's , iPad etc are a part of the fifth generation.

↪ AI is made into use in each gadget , though this process is still in development by superconductors.

↪ These gadgets will have the ability to adapt to circumstances and respond in a fruitful nature , in the coming ages.

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Hope this helps! :)