Understand information technology infrastructures • Get an overview on infrastructure decision • Learn about infrastructure components • Understand infrastructure solutions

1. Rahul De
MIS
MANAGING INFORMATION SYSTEMS IN BUSINESS,
GOVERNMENT AND SOCIETY
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002

2. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
LEARNING OBJECTIVES
• Understand information technology infrastructures
• Get an overview on infrastructure decision
• Learn about infrastructure components
• Understand infrastructure solutions
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3. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
MIND MAP OF CHAPTER TOPICS
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4. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
WHAT IS THE IT INFRASTRUCTURE
• Client computers such as desktops, laptops, tablets, smart phones and hand held
computers – both the software and hardware
• Servers
• Routers, switches, cables and wireless devices including services from external
internet service providers
• Organization wide and function-specific applications
• Support facilities for users – Helpdesk, maintenance services for hardware and
software
• Physical facilities such as offices and air-conditioned rooms that house the hardware,
software and personnel
• Training and development facilities for users and staff to enhance skills
• Creating and maintaining standards for IT including procurement
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5. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
THE TECHNOLOGY HYPE CYCLE
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6. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
IT INFRASTRUCTURE DECISIONS
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• IT Infrastructure Questions: Business Needs
• What business needs have to be met with the infrastructure components ?
• How does the technology help the organization compete ?
• Is the technology appropriate for the task ?
• Is the technology the best in its class

7. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
IT INFRASTRUCTURE DECISIONS
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• IT Infrastructure Questions: Business Needs
• What business needs have to be met with the infrastructure components ?
• How does the technology help the organization compete ?
• Is the technology appropriate for the task ?
• Is the technology the best in its class
• IT Infrastructure Questions: Technology Issues
• Is the technology scalable ?
• Is the technology interoperable ?
• What is the technology roadmap ?
• What is the renewal cycle ?
• Is there vendor support ?
• What will be the nature of the technology lock in ?
• Make or Buy ?

8. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
INFRASTRUCTURE COMPONENTS
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• Hardware
• Processors
• The Computer
• Random Access Memory
• Peripherals
• The Board and Bus
• Secondary Storage
Computer Architecture

9. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
INFRASTRUCTURE COMPONENTS
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• Instruction Cycle
• Execution Cycle
The machine cycle

10. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
HAND HELD COMPUTERS
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iPad Simputer

11. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
INFRASTRUCTURE COMPONENTS
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• Software
• Operating System (OS)
• Databases
• Enterprise Software
• Linux
• Windows
• Hand-held Computers
• Application Software
• Networking
• Multimedia Software
• Office Productivity
• Utilities
The OS loads and unloads tasks in
the RAM and manages them.

12. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
INFRASTRUCTURE COMPONENTS
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• Networks
• Solutions
• Cloud Computing – An arrangement where an organisation relies on software
applications needed for its internal functions, which are maintained on external
servers accessible through the Internet
• Virtualization

13. MIS : Managing Information Systems in Business, Government and Society by Rahul De
Copyright © 2018 by Wiley India Pvt. Ltd., 4436/7, Ansari Road, Daryaganj, New Delhi-110002
VIRTUALIZATION
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Use of virtualization allows many CPUs to be function as a single unit on which many
Operating systems and applications can be run simultaneously. This is used to
increase capacity and improve services.