Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Information system

998 views

Published on

Information system for MBA-III

Published in: Business, Technology
  • Be the first to comment

Information system

  1. 1. Information Systems UniversityofEducationOkara Campus 1 Inam Ul-Haq Lecturer Computer Science MS Computer Science Sweden organizer@dfd-charity.com, inam@ue.edu.pk
  2. 2. Information Systems • Why Do People Need Information? • Individuals - Entertainment and Enlightenment • Businesses - Decision making, Problem Solving and Control UniversityofEducation OkaraCampus 2
  3. 3. 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 UniversityofEducation OkaraCampus 3
  4. 4. Data, Information, and Systems • Data Processing = Information • Example: Customer Survey • Reading through data collected from a customer survey with questions in various categories would be time-consuming and not very helpful. • When processed, the surveys may provide useful information. UniversityofEducation OkaraCampus 4
  5. 5. Data, Information, and Systems • Generating Information • Computer-based ISs take data as raw material, process it, and produce information as output. (Definition of Computer) UniversityofEducation OkaraCampus 5Input-process-output
  6. 6. 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 UniversityofEducation OkaraCampus 6
  7. 7. Information Systems UniversityofEducation OkaraCampus 7 Several subsystems make up this corporate accounting system.
  8. 8. Information Systems • Information and Managers • Systems thinking • Creates a framework(software) for Problem Solving and Decision Making. • Keeps managers focused on overall goals and operations of business. • History: emerged in 20th century • Definition Information system (IS) is the study of complementary networks of hardware and software (IT) that people and organizations use to collect, process, filter, create, and distribute data. UniversityofEducation OkaraCampus 8
  9. 9. Information Systems UniversityofEducation OkaraCampus 9Qualities of humans and computers that contribute to synergy
  10. 10. Why Study IS? • Information Systems Careers • Systems analyst, specialist in enterprise resource planning (ERP), database administrator, telecommunications specialist, consulting, etc. • Knowledge Workers • Managers and non-managers • Employers seek computer-literate professionals who know how to use information technology. • Computer Literacy Replacing Traditional Literacy • Key to full participation in western society UniversityofEducation OkaraCampus 10
  11. 11. 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) UniversityofEducationOkara Campus 11
  12. 12. Information System Basic 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. UniversityofEducationOkara Campus 12

×