1. The Birth of Computer (1940s): The early stage of the development of information technology is mainly manifested in the birth and application of electronic computers. The birth of computer greatly improved the speed of information processing and calculation, making large-scale data processing possible.
2. Programming era (1950s- 1960s): With the development of computer software and hardware, programming technology began to appear, enabling computers to handle more complex tasks. At this stage, advanced programming languages (such as FORTRAN, COBOL, BASIC, etc. ) came out one after another, making programming simpler and more efficient.
3. The era of personal computers (1970s- 1980s): The emergence of personal computers has gradually popularized computers and entered ordinary homes and offices. The representative products at this stage are AppleII and IBM PC. In addition, LAN technology has also begun to spread, making communication between computers more convenient.
4. Internet Age (1990s): The rise of the Internet makes it easier to share and exchange information on a global scale. At present, Internet applications such as World Wide Web, search engine and e-mail have gradually become an important part of people's lives.
5. Mobile Internet era (2000s): The popularity of mobile devices such as smart phones and tablet computers and the development of mobile communication technologies such as 3G and 4G enable people to access the Internet anytime and anywhere. Mobile Internet applications such as social media, mobile payment and sharing economy are also emerging.
6. Intelligent Age (2065438-present): With the development of big data, artificial intelligence, Internet of Things and other technologies, information technology is developing towards intelligence and integration. At this stage, smart devices such as smart hardware, smart homes and driverless cars have gradually entered people's lives, bringing more convenient and efficient life experiences.
The development trend of information technology can be summarized as follows:
1. Cloud computing: Cloud computing technology provides users with on-demand services by centralizing computing resources, storage resources and network resources. In the future, cloud computing will continue to develop and become the basic platform to support various applications.
2. Big data: Big data technology mines valuable information through the collection, storage, processing and analysis of massive data, and provides decision support for enterprises and users. In the future, big data technology will continue to improve, integrate with other technologies, and play a greater role.
3. Artificial intelligence: Artificial intelligence technology enables computers to think and learn like humans by simulating human thinking process and learning ability. In the future, artificial intelligence technology will continue to make breakthroughs and be applied to more fields, such as speech recognition, image recognition and natural language processing.
4. Internet of Things: Internet of Things technology realizes information collection, processing and transmission by connecting various objects with each other. In the future, the Internet of Things technology will continue to develop and will be integrated with technologies such as cloud computing and big data to build a more intelligent and integrated information system.
5. Information security: With the popularization and application of information technology, the problem of information security is becoming more and more serious. In the future, information security technology will continue to develop to prevent various risks such as network attacks and data leakage, and ensure the safety and reliability of information systems.
Generally speaking, the development of information technology is a process of continuous innovation and integration. In the future, with the continuous emergence of various emerging technologies, information technology will play an important role in more fields and bring more intelligent and efficient life experiences to mankind.