UNIT 1  INFORMATION SYSTEMS




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4 PROFESSIONAL ENGLISH

UNIT 1 
INFORMATION SYSTEMS 
 
 

Discussion Starter 
What is an information system?
Why do we need information systems? 
Who uses information systems in a typical organization? 
Identify several types of information systems on the images below and describe the purpose 
of each.
 
A
 
 

C
D
 






Before You Read
Define two different ways of describing information systems using the following 
information: 

“Information systems (IS) is the study of complementary networks of hardware and software 
that people and organizations use to collect, filter, process, create, and distribute data.”

“Information systems are combinations of hardware, software, and telecommunications 
networks that people build and use to collect, create, and distribute useful data, typically in 
organizational settings.”

“Information systems are interrelated components working together to collect, process, 
store, and disseminate information to support decision making, coordination, control, analysis, and 
visualization in an organization.”
 
 

Read the Article 
 
The Components of Information Systems 
 
Information systems are made up of five components that interact to 
generate information needed by the users in an organization: 
hardware, software, data, people, and process.
The first three components of information systems – hardware, 
software, and data –all fall under the category of technology which 
can be thought of as the application of scientific knowledge for 
practical purposes.
From the invention of the wheel to the harnessing of electricity for artificial lighting, technology is 
a part of our lives in so many ways that we tend to take it for granted. 

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