Chapter 2- Analysis Flashcards

Front

Purpose of the analysis phase in systems development

Back

To ensure the existing system is fully understood and user requirements of the new system are agreed upon.

Front

Direct data source

Back

Data gathered without a third party, used for a specific purpose. Main advantage: targeted data. Main disadvantage: high cost.

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Indirect data source

Back

Data already available, used for a different purpose. Main advantage: cost-effective. Main disadvantage: may not meet new user requirements.

Front

Fact-finding techniques in systems analysis

Back

Interviews, questionnaires, observation, and document sampling.

Front

Interviews in data gathering

Back

Involves asking users questions, can be structured or unstructured, and allows follow-up questions.

Front

Purpose of interviews in systems analysis

Back

To confirm understanding, fill gaps, and delve deeper into specific aspects of the system.

Front

Questionnaires involve a representative group of users completing a set of questions.

Back

These questions can be open or closed and aim to identify current processes or data.

Front

Interviews can be conducted on a one-to-one basis or to a group of people.

Back

This allows the interviewee to expand on their answers if needed.

Front

Observation involves selecting a representative sample of end users.

Back

Users are shadowed as they perform their everyday tasks to identify processes and data.

Front

The purpose of observation is to identify processes and the data needed for each process.

Back

It also involves understanding the data generated and the competencies required.