computer system and information system
A computer system
refers to the combination of hardware, software, and liveware that work together to perform tasks.
The components of a computer system include the central processing unit (CPU), memory, storage devices, input/output devices, and communication devices.
An information system
is a broader concept that encompasses the computer system and also includes the people, procedures, and data that are used to gather, process, store, and distribute information within an organization.
types and categories of information systems,
including transaction processing systems (TPS), management information systems (MIS), decision support systems (DSS), executive information systems (EIS), and enterprise resource planning (ERP) systems. These systems serve different purposes and cater to different levels of an organization.
The main difference between information systems and information technology (IT)
is that information systems focus on the broader context of using technology to manage information within an organization, while IT refers specifically to the technology itself, including hardware, software, networks, and databases.
Examples of non-computer based information include:
Books and printed materials: Such as textbooks, novels, newspapers, and magazines.
Oral communication: Conversations, lectures, speeches, and interviews.
Visual media: Television programs, documentaries, films, and photographs.
Audio recordings: Podcasts, music, radio shows, and audiobooks.
Physical artifacts: Maps, charts, graphs, paintings, sculptures, and historical artifacts.
Traditional methods: Storytelling, folklore, proverbs, and legends.
Personal experiences: Memories, observations, and firsthand accounts.
Traditional educational methods: Classroom lectures, blackboards, and whiteboards.
Printed advertisements: Flyers, brochures, posters, and billboards.
Public announcements: Announcements made through loudspeakers or public address systems.
These are just a few examples, and there are many other forms of non-computer based information available.
In summary, a computer system is a combination of hardware and software, while an information system includes the people, procedures, and data involved in managing information. Various types of information systems exist, and IT refers to the technology used in information systems.