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ISDS 705 ISBB CH 10 - Test 3 exam with complete solutions.
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ISDS 705 ISBB CH 10 - Test 3 examwith complete solutions
Programming - ANSWER-Software is created via programming, as discussed in
Chapter 2. Programming is the process of creating a set of logical instructions
for a digital device to follow using a programming language. The process of
programming is sometimes called "coding" because the developer takes the
design and encodes it into a programming language which then runs on the
computer.
Systems Development Life Cycle - ANSWER-The Systems Development Life
Cycle (SDLC) was first developed in the 1960s to manage the large software
projects associated with corporate systems running on mainframes. This
approach to software development is very structured and risk averse, designed
to manage large projects that include multiple programmers and systems that
have a large impact on the organization. It requires a clear, upfront
understanding of what the software is supposed to do and is not amenable to
design changes. This approach is roughly similar to an assembly line process,
where it is clear to all stakeholders what the end product should do and that
major changes are difficult and costly to implement
Preliminary Analysis (SDLC Phase) - ANSWER-A request for a replacement or
new system is first reviewed. The review includes questions such as: What is
the problem-to-be-solved? Is creating a solution possible? What alternatives
exist? What is currently being done about it? Is this project a good fit for our
organization? After addressing these questions, a feasibility study is launched.
The feasibility study includes an analysis of the technical feasibility, the
economic feasibility or affordability, and the legal feasibility. This step is
important in determining if the project should be initiated and may be done by
someone with a title of Requirements Analyst or Business Analyst
System Design (SDLC Phase) - ANSWER-In this phase, a designer takes the
system requirements document created in the previous phase and develops
the specific technical details required for the system. It is in this phase that the
business requirements are translated into specific technical requirements. The
, ISDS 705 ISBB CH 10 - Test 3 exam
with complete solutions
design for the user interface, database, data inputs and outputs, and reporting
are developed here. The result of this phase is a system design document. This
document will have everything a programmer needs to actually create the
system and may be done by someone with a title of Systems Analyst,
Developer, or Systems Architect, based on the scale of the project.
System Analysis (SDLC Phase) - ANSWER-In this phase one or more system
analysts work with different stakeholder groups to determine the specific
requirements for the new system. No programming is done in this step.
Instead, procedures are documented, key players/users are interviewed, and
data requirements are developed in order to get an overall impression of
exactly what the system is supposed to do. The result of this phase is a system
requirements document and may be done by someone with a title of Systems
Analyst
Programming (SDLC Phase) - ANSWER-The code finally gets written in the
programming phase. Using the system design document as a guide,
programmers develop the software. The result of this phase is an initial
working program that meets the requirements specified in the system analysis
phase and the design developed in the system design phase. These tasks are
done by persons with titles such as Developer, Software Engineer, Programmer,
or Coder.
Testing (SDLC Phase) - ANSWER-In the testing phase the software program
developed in the programming phase is put through a series of structured
tests. The first is a unit test, which evaluates individual parts of the code for
errors or bugs. This is followed by a system test in which the different
components of the system are tested to ensure that they work together
properly. Finally, the user acceptance test allows those that will be using the
software to test the system to ensure that it meets their standards. Any bugs,
errors, or problems found during testing are resolved and then the software is
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