Answer:
A. troubleshooting
Explanation:
Troubleshooting is the process of trying to detect problems with a software or hardware component so as to apply solutions to it.
Therefore, Sarah would need troubleshooting skills to help her test her program to detect all bugs and fix it.
Answer:
A. they can skip whole segments of the software development process.
Explanation:
A software development process refers to the process of dividing software development work into various phases for product management, project management and to improve the design.
Vendors who use open source as part of their product offerings can expect to bring new products to the market faster because they can skip whole segments of the software development process.
They don't have to go through different phases of software development.
Answer:
Step Out
Explanation:
In the field of computer science, the control flow or the flow of control is defined as the order where the individual statements,
or instructions of a program are 
The Step Out control flow program runs to the
and it resumes the
at the statement that it follows.
Answer : a type of SCLC in which each phase has results that flow into the next phase is called the waterfall model. Hope that helps (: