Get premium membership and access questions with answers, video lessons as well as revision papers.
i)Perfective maintenance:It is a change to perfect a system i.e. improve its performance in terms of response time to user request or to amend a system interface to make a system more user friendly.
ii)Adaptive maintenance:Involves changing a system to take account of a change in its functional environment.
iii)Preventive maintenance:Carried out on a system to ensure that it can withstand stress. It helps in ensuring data and software integrity.
iv)Replacive maintenance:It is carried out on a system when a system becomes almost unmaintainable e.g. due to lack of documentation, poor design or age.
v)Corrective maintenance:It is usually a change effected in a system in response to detected problem or error.
Steve ju answered the question on October 10, 2018 at 19:29
- Explain the causes of system maintenance (Solved)
Explain the causes of system maintenance
Date posted: October 10, 2018. Answers (1)
- Outline factors to consider when carrying out post implementation review of a new system(Solved)
Outline factors to consider when carrying out post implementation review of a new system
Date posted: October 10, 2018. Answers (1)
- Give the reasons why post implementation evaluation of a new system is carried out(Solved)
Give the reasons why post implementation evaluation of a new system is carried out
Date posted: October 10, 2018. Answers (1)
- Give the benefits of a post-implementation review of a new system(Solved)
Give the benefits of a post-implementation review of a new system
Date posted: October 10, 2018. Answers (1)
- Give the advantages of pilot and phased changeover(Solved)
Give the advantages of pilot and phased changeover
Date posted: October 10, 2018. Answers (1)
- Describe circumstances where direct changeover is opted(Solved)
Describe circumstances where direct changeover is opted
Date posted: October 10, 2018. Answers (1)
- Describe cases where user training is done in system development life cycle(Solved)
Describe cases where user training is done in system development life cycle
Date posted: October 10, 2018. Answers (1)
- Outline the problems associated with file creation or file conversion (Solved)
Outline the problems associated with file creation or file conversion
Date posted: October 10, 2018. Answers (1)
- Explain types of system changeover(Solved)
Explain types of system changeover
Date posted: October 10, 2018. Answers (1)
- Explain the file conversion methods(Solved)
Explain the file conversion methods
Date posted: October 10, 2018. Answers (1)
- Describe the file conversion procedure(Solved)
Describe the file conversion procedure
Date posted: October 10, 2018. Answers (1)
- Give the reasons for training a user before implementation of a new system(Solved)
Give the reasons for training a user before implementation of a new system
Date posted: October 10, 2018. Answers (1)
- Give factors to consider when selecting a supplier of a hardware resource(Solved)
Give factors to consider when selecting a supplier of a hardware resource
Date posted: October 10, 2018. Answers (1)
- Outline factors to consider when licensing a software(Solved)
Outline factors to consider when licensing a software
Date posted: October 10, 2018. Answers (1)
- Explain three types of financing hardware resources(Solved)
Explain three types of financing hardware resources
Date posted: October 10, 2018. Answers (1)
- Explain the phases involved in System implementation(Solved)
Explain the phases involved in System implementation
Date posted: October 10, 2018. Answers (1)
- Explain the systems theory concepts
(Solved)
Explain the systems theory concepts
Date posted: October 6, 2018. Answers (1)
- Describe the components of a system(Solved)
Describe the components of a system
Date posted: October 6, 2018. Answers (1)
- Outline the importance of systems theory(Solved)
Outline the importance of systems theory
Date posted: October 6, 2018. Answers (1)
- What is an information system(Solved)
What is an information system
Date posted: October 6, 2018. Answers (1)