Tesco: The Different Sources Of Information Systems

Typical Sources of Information Systems

The typical sources of information systems are the most common ones that are used in most companies and organizations. These are the main components of information systems in Tesco: → Hardware resources - Computer-based information systems use computer hardware, such as processors, monitors, keyboard, and printers

→ Software resources - These are the programs used to organize, process and analyse data.

→ Data resources - Information systems work with data, organized into tables and files.

→ Network resources - Different elements need to be connected to each other, especially if many different people in an organization use the same information system.

→ People resources - These describe how specific data are processed and analysed in order to get the answers for which the information system is designed.

There are different types of information systems that can be divided into categories based on where they are used in the hierarchy of an organization. We can divide these different types into a pyramid, from top to bottom: 1. Executives -> Executive Information Systems

2. Senior Managers -> Decision Support Systems

3. Middle Managers -> Management Information Systems

4. Workers -> Transaction Processing Systems

1.

It is very important to effectively collect, process and use information to carry out the tasks of deciding what to stock in shop's, also producing receipts for purchased items and to calculate pay for hourly paid employees. These tasks are dealt with by using a form or management information system. Management information systems are a combination of hardware and software used to process information