KPK Board 12th Class Computer Ch 2 System Development Life Cycle Short Questions Answers

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Malakand Board 12th classes short questions Answer

Mardan Board 12th classes short questions Answer

Peshawar Board 12th classes short questions Answer

Swat Board 12th classes short questions Answer

Dera Ismail Khan Board 12th classes short questions Answer

Kohat Board 12th classes short questions Answer

Abbottabad  Board 12th classes short questions Answer

Bannu Board 12th classes short questions Answer

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Define software/system development life cycle (SDLC). What are the objectives?
System Development Life Cycle (SDLC) is a step by step process of creating computer system. It is a conceptual model which represents the necessary steps used for the development process of a software system.

Objectives of (SDLC)

The objectives of SDLC are as follows.

1 To develop information systems in an efficient and effective manner.

  1. Delivery of quality software that meet the customer expectations.
  2. Delivery of inexpensive and cost-effective software which are easily maintainable.
  3. Maximize productivity in terms of software system delivered.
  4. Establish proper level of management authority to direct, coordinate, control, review and approve the software development project.
  5. SDLC should ensure the project management accountability.
  6. Proper documentation of all the requirements required for the development of new software system.
What is a system? Where exactly the testing activities begin in SDLC?
A system may be defined as, an Integration (combination) of components or parts linked together according to some specific plan to achieve certain common objectives.

Why software development life cycle is important for the development of software?
The software development life cycle (SDLC) is a problem-solving process through which a series of steps helps to produce new software. The entire steps conducted in a sequence should provide the answers to a problem. This procedure to build software has a lot of importance due to the following points.

1 SDLC breaks down the complete life cycle of software development into phases (step) by making it easier for the development team members to easily check each part of software development.

  1. SDLC makes it easier for programmers to work concurrently on each phase.
  2. SDLC provides rough time estimate that when the software will be available for use.
  3. SDLC delivers quality software which meets or exceeds customer expectation.
  4. SDLC provides basic support for the development of quality software.
  5. SDLC helps the project managers to establish a project management structure to be followed strictly during the system development processor.
  6. SDLC clearly defines and assigns the responsibilities of all the involved groups.
  7. SDLC ensures that the requirements for development of software system are well defined and subsequently satisfied.

Who are stakeholders of SDLC? Describe their responsibilities.
Stakeholders of SDLC are the customers, the user group, the project managers, the development team and the tester.

Responsibilities of Stakeholders

The necessary responsibilities of stakeholders are.

1 For software development, resources such as time, money, computer equipment are required which should be provided to the project team by the stakeholders.

  1. Stakeholders inform the developers about their business.
  2. Stakeholders make timely decisions about project activities.
  3. Stakeholders spend more time to provide information and clarify requirements to the analysts and developers.
  4. Stakeholders respect a developer’s assessment of cost and feasibility.
  5. Stakeholders should be specific and precise about the requirements.
  6. Stakeholders set requirements priorities.
  7. Stakeholders review and provide timely feedback.
  8. Stakeholders promptly communicate changes to requirements.
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