FACTORS THAT INFLUENCE THE SELECTION OF AN OPERATING SYSTEM

1
FACTORS THAT INFLUENCE THE SELECTION OF AN
OPERATING SYSTEM

• PAUL KINYUNGU
• COSC 513 PRESENTATION
• INSTRUCTOR - Dr ANVARI

2
PRESENTATION OVERVIEW

• INTRODUCTION
• DISCUSS FACTORS AFFECTING OS SELECTION
• SAMMARY
• CONCLUSION

3
INTRODUCTION

• Objective to discuss the factors that influence
  the selection of an OS
• Factors include Type of job, Organization size,
  Features, Performance, The vendor, Available
  resources, Security and Cost.
• Factors are limitless and have a huge range.
• Factors interrelate and overlap

4
TYPE OF JOB

• the type of processing to be done in an
  organization influences the OS choice . For
  example long complex computations such as the
  resent mapping of the human genome would need an
  OS which works well in a main frame computing
  environment while an internet kiosk would need
  a more user(non skilled) friendly OS.

5
SIZE OF ORGANISATION

• the of concurrent users
• the average volume of processing for each user.

6
INTEGRATION

• ability to integrate with other application
  software
• ability to run programs written to run in other
  OSs
• compatibility with other computers with different
  OSs
• versatility - support for newer hardware devices
  and new media forms

7
FEATURES

• different OS offer various special features. The
  addition of features can provide increased
  production and better control over the operation
  of computer systems. Example - plug and play -
  faster loading etc
• different orgs find different features in
  different OS more suitable for their needs.

8
PERFORMANCE

• how fast an OS is able to update records can be
  the most important criteria for some orgs such
  as the airline and credit card companies.
• Rapid recovery facilities in emergencies
• how much main memory is required to execute the OS

9
THE VENDOR

• the size, reputation and financial stability is
  important.
• Some vendors are well respected in the industry
  and have a large staff support personnel to give
  assistance if required.
• Well established OS companies are more likely to
  remain in business.
• More application and utility software for
  established companies.

10
AVAILABLE RESOURCES

• current hardware
• current application and utility software
• current skilled labor

11
SECURITY

• stability
• security features
• privacy and password
• security loopholes
• virus succesibility
• recovery

12
COST

• initial costs
• maintenance costs
• additional hardware/software costs
• skilled labor costs

13
SUMMARY

• Factors influencing the selection of an OS
  include The type of job, Size, Integration,
  Features, Performance, Vendor, Available,
  Security and Cost
• Factors are limitless and interrelate.

14
CONCLUSION

• When selecting an OS, one should look carefully
  at all the various factors that might affect
  their decision. The selection of an OS should
  then be based on which of the factor/s is/are
  most important to the organization and which are
  least important while also taking into account
  that some factors inter/co-relate.

15
CONCLUSION

• Due to the range of activities done in an
  organization, it might be better for a company to
  use a combination of different OSs to run in
  different aspects of its computer systems.