An information system has six main components: hardware, software, data, procedures, people, and communication. Hardware includes devices like CPUs, input/output devices, and storage devices. Software includes computer programs and supporting manuals. Data are the facts used by programs to produce useful information. Procedures are the policies governing computer system operation. People include users, operators, maintainers, and network support. Communication allows interaction between computers and users.

1. Components of Information System
IT for Managers

2. Prepared By
Manu Melwin Joy
Assistant Professor
School of Management Studies
Cochin University of Science and Technology
Kerala, India.
Phone – 9744551114
Mail – manumelwinjoy@cusat.ac.in
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3. Definition - Information System
• An information system is a set of interrelated
components that collect, process, store, and
distribute information to support decision
making and control in an organization.

4. Collecting information

5. Processing Information

6. Store Information

7. Distribute Information

8. Components of Information System
Hardware Software Data
Procedures People Communication

9. Hardware refers to machinery which includes CPU and
all of its support equipment such as input and output
devices, storage devices and communications devices.

10. Software refers to computer programs and the
manuals that support them.

11. Data are facts that are used by programs to
produce useful information.

12. Procedures are the policies that govern the
operation of a computer system.

13. People includes not only the users, but those who operate and
service the computers, those who maintain the data, and those
who support the network of computers.

14. Communication component includes communication
between computer to computer or computer to
human