
IT is a general term for technologies that utilize computers, networks, etc., and is used in a broad sense to describe the technologies used in the modern information society.
It is an abbreviation of Information Technology in English, and is translated as Information Technology in Japanese.
The history of IT is said to have started with military purposes during World War II, but it began to be used for general business purposes from the 1950s onwards. The introduction of devices such as personal computers and the spread of the Internet led to the spread of IT into our daily lives. Since the late 1990s, IT has expanded rapidly on a global scale, and at the same time, the word IT itself, such as IT society and IT company, has come into general use.
ICT
ICT is a word that is used alongside IT. ICT is an abbreviation for Information and Communication Technology in English, and is translated as Information and Communication Technology in Japanese.

ICT is often used to refer to technology related to communication, typified by telecommunications within IT.
For example, it is sometimes used to refer to communication technology itself, such as the Internet and digital communications, and sometimes it is used to refer to the application of IT technology to communities and lifestyles.

IT society

Today’s society is called the IT society (information society, information society), and it has become a society where information plays a central role. IT is not only limited to computers, but also home appliances such as televisions, game consoles, air conditioners, and speakers, as well as automobiles, which are becoming increasingly networked. “IoT” is an abbreviation for Internet of Things, which means that everything around us is connected to the Internet.

Changes to an IT society using IT are causing changes in the socio-economic structure on a global scale, and adapting to the changes has become an urgent issue at the national level.

IT companies
With the spread of IT, all companies that deal with IT-related matters have come to be called IT companies.
Typical IT companies include companies that offer software, hardware, and system services.
Companies that propose software produce the software itself, such as applications and operating systems.
Companies that propose hardware manufacture computers, monitors, mice, and other hardware.
Companies that offer system services plan, propose, and undertake the development and operation of systems that meet
the needs
of users.

Reference article

Related terms

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