CS507 Final Term Quiz 3 July 7 2023 by Miss Mehwish

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Q1. Which of the following statements is INCORRECT about DFD?

1. It should not have black holes.
2. It should not have labeled things.
3. It should not have grey holes.
4. It should not have miracles.

Correct option: d) It should not have miracles.

Q2. Changeover can be undertaken in the following ways except _______________. Options:

1. Abrupt changeover.
2. Pointed changeover.
3. Parallel changeover.
4. Phased changeover.

Correct option: a) Abrupt changeover.

Q3. Which of the following is an incorrect statement about good practices of flowcharts? Options:

1. There should not be any room for ambiguity in understanding the flowchart.
2. It is useful to test the validity of the flowchart.
3. Every flowchart must have a connector.
4. The flowchart should be clear, neat, and easy to follow.

Correct option: c) Every flowchart must have a connector.

Q4. Which of the following models can lead to scope creep due to user feedback after each phase?

1. Iterative Incremental.
2. Classic Lifecycle.
3. Waterfall.

Correct option: a) Iterative Incremental.

Q5. Which of the following is an object that exists and is distinguishable from other objects? Options:

1. Data.
2. Relationship.
3. Entity.
4. Attribute.

Correct option: c) Entity.

Q6. In ERD, each attribute has a __________, i.e., defined parameters or the range in which the value of the attribute may fall.

1. Relationship (association).
2. Entity (Object).
3. Flow (sequence).
4. Value Set (domain).

Correct option: d) Value Set (domain).

Q7. In a flowchart diagram, a circle represents:

1. Diamond.
2. Decision.
3. Connector.
4. Process.

Correct option: d) Process.

Q8. The study of the business problem domain used to recommend improvements and specify the business requirements for the solution is called:

1. Risk Management.
2. Risk Analysis.
3. System Analysis.
4. System Design.

Correct option: c) System Analysis.