Information technologies are generally used in the context of corporate operations, as opposed to technologies used in personal or entertainment settings. Commercial use of IT includes computer and telephony.
With the evolution of the IT industry from the mid-20th century, IT included transistors and integrated circuits. The possibilities of computing have evolved while the cost of materials and energy consumption have dropped. This cycle continues with the emergence of new technologies.
Computer software and hardware
IT includes multiple levels of equipment (hardware), virtualization tools , management or automation, operating systems, and applications (software) for performing key functions.
Devices, peripherals and user software, such as laptops, smartphones and even recording devices, can be part of IT. IT can also refer to architectures, methodologies and rules governing the use and storage of data.
Business applications include databases , transactional systems such as real-time order entry, messaging servers, web servers, and CRM systems and enterprise resource planning systems. (or ERP for Enterprise Resource Planning ). These applications execute programmed instructions to manipulate, consolidate, and disperse the data, or to assign them to a business purpose.
The server computer running business applications. Servers interact with client users and other servers on one or more corporate networks.
Storage includes all technologies that store information as data. This information can take different forms: telephony files or data, Web or multimedia data, data from sensors or other formats. Storage includes random-access memory ( RAM ), volatile, and nonvolatile memory that this on tapes, conventional hard disk or SSD .
IT architectures have evolved and now include virtualization and cloud computing : physical resources are dematerialized and integrated into different configurations to meet the needs of applications. In the cloud, resources can be distributed across multiple locations and shared with other users ( public cloud ), or grouped in corporate data centers ( private cloud ). There are also hybrid configurations ( Hybrid Cloud ).
IT training and professional functions
A team of administrators and technical staff deploy and manage the company’s IT infrastructure and assets.
IT teams need a wide range of skills and expertise in information and technology to support equipment, applications and activities.
External service providers and support staff from IT providers can strengthen the IT team.
Current IT positions
IT Director : Person in charge of IT and IT systems that support the objectives of the company.
Technical Director : person who defines the technological and strategic orientations of the company.
IT manager : person responsible for the operation of all the technological tools and processes of the company. This role is also called IT Manager.
System Administrator : A person who sets up, manages, maintains, and troubleshoots a multi-user computing environment. In a company, this role can be segmented by technology and require an administrator or dedicated team for the server, workstation, network, virtualization, or other components.
Application Manager : Its role is focused on sourcing and managing a high-value business application, such as Exchange.
Developer : A person or team that writes, updates, and tests program code to meet internal business goals or those of customers.
Architect : Person in charge of examining and modifying IT functions to better support the company.