Thursday, March 20, 2014

CHAPTER 1

السلام عليكم ورحمة الله وبركاته

Information System

 
CHAPTER 1


The Modern Organization Functioning in a Global Environment









n     CHAPTER OUTLINE

1.1  Why Should I Study Information Systems?
1.2  Overview of Computer-Based Information    Systems
1.3  How Does IT Impact Organizations?
1.4  Importance of Information Systems to   Society

    The Informed User – You!
 
Your personal information network is created by constant cooperation between:

(1)   the digital devices you carry;

(2)   the wired and wireless networks that you access as you move about;

(3)   Web-based tools for finding information and communicating and collaborating with other people.
 


You can pull information from the Web and push your ideas back to the Web.

 
digital nomad  : is someone who uses information technologies such as
                           smart phones, wireless Internet access, and Web-based   applications to work remotely from anywhere.
Managing Information Resources

See video :-



#    Traditional Functions of MIS Department

Example: manage data center




 

#    Consultative Functions of MIS Department

Example: create business alliances
 
 
 
 
 
 
 
 
 

Data Item :  Elementary description of things, events, activities and transactions that are recorded, classified and stored but are not organized to convey any specific meaning.

Information: Data organized so that they have meaning and value to the recipient.

Knowledge: Data and/or information organized and processed to convey understanding, experience, accumulated learning and expertise as they apply to a current problem or activity.

 

Computer-based information systems : are information systems that use computer technology to perform some or all of their intended tasks.


 

Hardware : is a device such as a processor, monitor, keyboard or printer

Software : is a program or collection of programs that enable hardware to process data.

Database: is a collection of related files or tables containing data.

Network : is a connecting system (wireline or wireless) that permits different computers to share resources.

Procedures : are the set of instructions about how to combine the above components in order to process information and generate the desired output.

People : are those individuals who use the hardware and software, interface with it, or uses its output.

Capabilities of Information Systems
n Perform high-speed, high-volume numerical computations
 
n Provide fast, accurate communication and collaboration within and among organizations
 
n Store huge amounts of information in small space
 
n Allow quick, inexpensive access to  vast amounts of information worldwide
 
n Interpret vast amounts of data quickly and efficiently
 
n Increase effectiveness and efficiency of people working in groups in one place or around the world
 
n Automate semiautomatic business process and manual tasks


 
application program :  is a computer program designed to support a specific task,

 

a business process, or another application program.

 
Types of Information Systems


 

1 )  Breadth of Support of Information Systems

Ø     Functional area information systems

Ø     Enterprise resource planning systems

Ø     Transaction processing systems

Ø     Interorganizational information systems

2 )  Support for Organizational Employees

Ø  Office automation systems

Ø  Business intelligence systems

Ø  Expert systems

Ø  Dashboards
1.3 How Does IT Impact Organizations?

v IT reduces the number of middle managers.

v IT changes the manager’s job.

v Will IT eliminate jobs?

v IT impacts employees at work.
 
         Ergonomic Products



(a)   Wrist support

(b)   Back support

(c)   Eye-protection filter

(d)   Adjustable foot rest




 
Enabling People with Disabilities to Work with Computers

Computer solutions available to : -

n Visually-impaired users

n Hearing-impaired users

n Motor-impaired users

1.4  Importance of Information Systems to Society

I.     IT Affects Our Quality of Life

II.    Robot Revolution on the Way

IIIImprovements in Healthcare