A different generation of computer is often defined to reference the different generation of computing devices. There are five generations of computer which is characterised by technological development that changed the way how a computer operates. From the time of computers started we see that computers are getting smaller, cheaper and powerful to help you be more efficient. Check out this website to know more about computer.
The five generations of computer are
Vacuum tubes: First generation
The first generation of computers is called vacuum tubes because they used vacuum tubes as the circuit and magnetic drum from memory and were huge in size, sometimes taking up an entire room. These computers very expensive to operate and heavily relied on machine language for even the lowest level of operations and could only solve one problem at a time. The input was also based on punched cards and paper tape, and then outputs were displayed printouts.
Transistors: Second generation
Transistors replaced the vacuum tubes, it was invented by Bell labs in 1947 but were accepted widely during the 1950s. They were superior to the vacuum tubes, which allowed computers to be smaller, faster and cheaper than the first generation computers. They still generated a great deal of heat which was subjected to computer damage; still, they relied heavily on punched cards for input and printout for output.
Integrated Circuits: Third generation
With the development of integrated circuits, the third generation of computers miniaturised and placed silicon chips, which drastically increased the speed and efficiency of computers. The third-gen computers used keyboards, monitors and interface operating system instead of punching cards, which allowed many applications to run at once. This was the first time computers became accessible to the mass audience because they were smaller and cheaper.
Microprocessors: Fourth generation
Thousands of integrated circuits were built in one single silicon chip. The Intel 4004 chip developed in 1971 changed the whole game in the computer world as all the components of a computer from the central processing unit and memory to input and output controls are all in one single chip. All these smaller computers became very smart and, which could link networks that led to the development of the internet. This generation computers also saw the development of GUIs, the mouse and also the handheld devices.
Artificial Intelligence: Fifth generation
The computers were build based on artificial intelligence and are still in the process of development where applications such as voice recognition are used today. The use of parallel processing and also superconductors are helping make artificial intelligence into a reality. Quantum computation and molecular and nanotechnology are also making changes in the face of computers. The goal is to develop devices that respond to the natural language and making them capable of learning.
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