Information Systems

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Information Systems
Lecture 1
Inam Ul-Haq Assistant Professor (Computer
Science) MS Computer Science Sweden Inam.bth_at_gmail
.com
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Information Systems

• Why Do People Need Information?
• Individuals - Entertainment and Enlightenment
• E.g.?
• Businesses - Decision making, Problem Solving and
  Control
• E.g.?

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Information Systems

• Data vs. Information
• Data
• A given, fact a number, a statement, or a
  picture
• The raw materials in the production of
  information
• Information
• Data that have meaning within a context, data
  after process

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Data, Information, and Systems

• Generating Information
• Computer-based ISs take data as raw material,
  process it, and produce information as output.
  (Definition of Computer)

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Information Systems

• What Is a System?
• System A set of Components that work together to
  achieve a common Goal
• Subsystem One part of a system where the
  products of more than one system are combined to
  reach an ultimate goal
• Closed System Stand-alone system that has no
  contact with other systems
• Open System System that interfaces with other
  systems

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Information Systems

• Definition
• IS is combination of hardware, software, and
  telecommunications networks that people build,
  collect, and distribute useful data, typically in
  organizational settings

A system composed of people and computers that
processes or interprets information (wikipedia)
A combination of hardware, software, infrastructur
e and trained  personnel organized to
facilitate planning, control, coordination,
and decision making in an organization.
(business ditionary)
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Information Systems
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Why Study IS?

• Information Systems Careers
• Systems analyst, specialist in enterprise
  resource planning (ERP), database administrator,
  telecommunications specialist, consulting, etc.
• Knowledge Workers
• Knowledge workers are typically professionals who
  are relatively well educated and who create,
  modify, and/or synthesize knowledge as a
  fundamental part of their jobs.
• Employers seek computer-literate professionals
  who know how to use information technology.

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Types of Information Systems

• Transaction processing System (TPS)
• Knowledge Management System (KMS)
• Learning Management Systems (LMS)
• Database Management System (DBMS)
• Office Information Systems (OIS)
• Management Information System (MIS)

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Information SystemBasic Components (For
computer-based IS)

• An IS using computer technology to carry out some
  or all of its planned tasks.
• Hardware- these are the devices like the monitor,
  processor, printer and keyboard, all of which
  work together to accept, process, show data and
  information.
• Software- are the programs that allow the
  hardware to process the data.
• Databases- are the gathering of associated files
  or tables containing related data.
• Networks- are a connecting system that allows
  diverse computers to distribute resources.
• Procedures- are the commands for combining the
  components above to process information and
  produce the preferred output.

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Examples

• Examples
• 1- People in organizations use information
  systems to process
• sales transactions,
• manage loan applications, or
• help financial analysts to decide where,
  when, and how to
• invest.
• 2-Product managers also use them to help decide
  where, when, and how to market their products and
  related services, and production managers use
  them to help decide when and how to manufacture
  products.
• 3-Information systems also enable us to get cash
  from ATMs, communicate by live video with people
  in other parts of the world, and buy concert or
  airline tickets.

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Exercise (Chapter-1 Information System Today)

• Give examples of Individual and Business
  Information System.
• Define Information System to your own.
• Why you study it?
• Examples of Knowledge Management System?
• http//examples.yourdictionary.com/knowledge-manag
  ement-examples.html
• Any Information System exists without database?
• Information System is computer based only?
• Explain whats an Information System in your
  words. Contrast its data, technology, people.
• Describe types of jobs in IS.
• Describe dual nature of IS in success and failure
  of modern organization.
• Who are knowledge workers, define terms
  Knowledge Society, Digital World, Digital Divide,
  New Economy, globalization, wisdom.
• Describe technology vs IT.
• What happened if IS is implemented poorly?
• Case Study Automated Baggage System on Heathrow
  Airport

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Learning Assignment-1 (4 Marks)

• Choose anyone topic and quote an example with its
  functionality. Every student should have
  different slides.
• From my handouts.
• Wikipedia topics in link https//en.wikipedia.org
  /wiki/CategoryInformation_systems
• CR/GR will distribute and handle topics of
  wikipedia.
• Sample slides http//jmp.sh/vkBVus5
• Email Subject Session 2017-21, Roll No 101,
  Name

Individually submit slides till 18.03.2017 at
1155pm (inam.bth_at_gmail.com
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References

• Information Systems Today Managing in the
  Digital World, Fourth Edition, by Joe Valacich
  and Christoph Schneider. Published by Prentice
  Hall.