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gayaneshka [121]
3 years ago
6

Michael Holliday is a business systems analyst who is working on a feasibility study for a new​ e-911 system for the city of Mem

phis. Which of the following phases is he working on as he determines if the system will provide a good return on investment for the​ city?
A. Testing
B. Design
C. Development
D. Requirements analysis
E. Planning
Computers and Technology
1 answer:
postnew [5]3 years ago
7 0

Answer:

E

Explanation:

The requirement analysis phase is a very key vital phase of the system life cycle in which a system designer sees the future result of his input in the system he intends to design, the requirement analysis clearly state the result of any system in progress design and proccess stage

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What validation type would you use to check that numbers fell within a certain range? a) range check b)presence check c)check di
olga2289 [7]

Answer:

a) range check

Explanation:

Validation can be defined as an automatic computer check that is designed to ensure any data entered is sensible, consistent, feasible and reasonable.

Basically, there are five (5) main validation methods and these includes;

I. Presence check: checks that the user enters (inputs) data into the field. It ensures a field isn't accidentally left blank.

II. Length check: checks that the data entered isn't too short or too long. It ensures that the data meets the minimum characters.

III. Type check: checks that the data entered is in the right format. For example, string, integer, float, etc.

IV. Check digit: checks that the digit entered is acceptable and consistent with the rest of the digits.

V. Range check: checks that the data entered is between the accepted lower (minimum) and upper (maximum) level.

Hence, range check is a validation type you would use to check that numbers fell within a certain range.

For example, 0 < x > 1000 is a range check.

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Answer: what are the choices?

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The answer is B) A test team will test the software more thoroughly
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