Answer:
The correct answer is d) All of these are correct.
Explanation:
ETL stands for Extract, Transform and Load. An ETL system extracts data from the sources, enforces data quality and consistency standards, conforms data so that separated and maybe unrelated sources can be used together, and as a final step delivers data in presentation-ready formats so that developers can build applications and end users can take decisions.
Answer:
Explanation:
There are different advantages to buy commercial software like:
- Is a system used for other companies, we will have good referents with the feedback of them.
- Support, we should have support twenty-four hours, if a system doesn't have good support, we must not buy the software.
- We can choose software with a lower initial cost, this depends on our needs.
Answer:
The change in complex systems can be explained according to the relationship of the environment where the system is implemented.
The system environment is dynamic, which consequently leads to adaptation to the system, which generates new requirements inherent to changes in business objectives and policies. Therefore, changing systems is necessary for tuning and usefulness so that the system correctly supports business requirements.
An example is the registration of the justification of the requirements, which is a process activity that supports changes in the system so that the reason for including a requirement is understood, which helps in future changes
Explanation:
Answer: The amount of interest to be paid is $972
Explanation: This is gotten by firstly getting the amount of money to return per year without the interest which is $114400/10(years)= 11440
11440 is to be paid per year without interest. To get amount of interest is $11440*8.5/100 = $972 this is the amount of interest to be paid per year including in year 2.
Therefore, total amount of money together with interest to be paid each year and in year 2 = $11440+$972=12412.
Answer:
you select the element you wish to animate
