# How many computer generation are there?

There is no definitive answer to this question as the concept of computer generations is not universally agreed upon. However, a commonly accepted classification includes five generations of computers:

1. First Generation (1940s-1950s): These were the earliest electronic computers that used vacuum tubes for processing and magnetic drums for memory.

2. Second Generation (1950s-1960s): These computers used transistors instead of vacuum tubes, resulting in smaller, faster, and more reliable machines.

3. Third Generation (1960s-1970s): This generation saw the introduction of integrated circuits, which further reduced the size and cost of computers.

4. Fourth Generation (1970s-1980s): Microprocessors were introduced, allowing for the development of personal computers and the miniaturization of computing technology.

5. Fifth Generation (1980s-present): This generation is characterized by the development of artificial intelligence and parallel processing, as well as advancements in networking and graphical user interfaces.

It is worth noting that some sources also recognize a sixth generation, which includes emerging technologies such as quantum computing and neural networks.