from http://www.phonemania.com.pk/
The disadvantages of statistical quality control include the time it adds to the overall production process and the cost of the extra manpower needed to carry out the quality control.
A major disadvantage of quality assurance is that it requires more man power to perform. Also, it increases the time as well as budget required to complete a project.
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A System Development Life Cycle is the process of developing a system or software. Prototype is the process of creating examples of software applications,
When business organization facing a keen (鋒利的) competition in the market, rapid change of technology and fast internal demand, system development is necessary. In the system development, a business organization could adopt the systematic method for such development. Most popular system development method is system development life cycle (SDLC) which supports the business priorities of the organization, solves the identified problem, and fits within the existing organizational structure. When business organization facing a keen (鋒利的) competition in the market, rapid change of technology and fast internal demand, system development is necessary. In the system development, a business organization could adopt the systematic method for such development. Most popular system development method is system development life cycle (SDLC) which supports the business priorities of the organization, solves the identified problem, and fits within the existing organizational structure.
what is the user requiremnet in the initial investigation of System development life cycle
The systems development life cycle has three different systems within itself. It can be hardware only, software only, or a combination of both. This differs from the prototype.
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advantages and drowbacks of following a life cycle approach to information system development?
Advantages of system development life cycle in terms of waterfall model it only requires minimal resources in implementing this method. But it is hard to go back and change.
faltu
rigidity
use same approach
A System Development Life Cycle is the process of developing a system or software. Prototype is the process of creating examples of software applications,
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A System Development Life Cycle is the full sequence of events in the creation, use, maintenance and retirement of a computer system. Different service providers use different methodologies, with different naming conventions to describe the cycle.
The advantages are that the cycle has been proven and is easy to use. The disadvantages are that it will not allow you to take everything into account.
Maintenance and evaluation
Waterfall is a system development life cycle