We’ve seen that businesses need information systems to operate today and that they use many different kinds of systems. But who is responsible for running these systems? Who is responsible for making sure the hardware, software, and other technologies used by these systems are running properly and are up to date? End users manage their systems from a business standpoint, but manag-ing the technology requires a special information systems function. In all but the smallest of firms, the information systems department is the formal organizational unit responsible for information technology services. The information systems department is responsible for maintaining the hardware, software, data storage, and networks that comprise the firm’s IT infrastructure. We describe IT infrastructure in detail in Chapter 5.
THE INFORMATION SYSTEMS DEPARTMENT
The information systems department consists of specialists, such as programmers, systems analysts, project leaders, and information systems managers. Programmers are highly trained technical specialists who write the software instructions for computers. Systems analysts constitute the principal liaisons between the information systems groups and the rest of the organization. It is the systems analyst’s job to translate business problems and requirements into information requirements and systems. Information systems managers are leaders of teams of programmers and analysts, project managers, physical facility managers, telecommunications managers, or database specialists. They are also managers of computer operations and data entry staff. Also, external specialists, such as hardware vendors and manufacturers, software firms, and consultants, frequently participate in the day-to-day operations and long-term planning of information systems. In many companies, the information systems department is headed by a chief information officer (CIO). The CIO is a senior manager who oversees