[BA 186] Class Notes

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24 Terms

1

Systems Analysis

A process that involves collecting factual data, understanding processes, identifying problems, and recommending improvements for an organization.

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2

Objectives of Systems Analysis

To answer questions about business processes and design an efficient system that satisfies current user needs and supports future growth.

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3

System Design

A phase that is based on user requirements and detailed analysis of the current system.

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4

Characteristics of a System

Includes components, interrelated components, boundary, purpose, environment, interfaces, constraints, input, and output.

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5

Decomposition

The process of breaking down a system into smaller, manageable components.

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6

Modularity

Dividing a system into modules of relatively uniform size that work independently but contribute to the overall strategy.

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7

Coupling

The relationship among subsystems where they are dependent upon each other.

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8

Cohesion

The extent to which a subsystem performs a single function effectively.

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9

Qualities of a Systems Analyst

Includes being a problem solver, communicator, and possessing strong ethics, self-discipline, and motivation.

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10

Project Selection Criteria

Conditions that must be met for a project to be selected, including management backing, timing, practicality, importance, and alignment with goals.

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11

Traditional Waterfall Model

A systems development approach where one phase begins only after the previous one is completed.

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12

Prototyping

An interactive development process that allows continual revisions based on user feedback.

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13

Joint Application Design (JAD)

A structured approach involving users, analysts, and managers to review system requirements over a series of workgroup sessions.

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14

Rapid Application Development (RAD)

A methodology that focuses on speed and flexibility in software development.

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15

Agile Methodologies

An approach that emphasizes adaptive planning, evolutionary development, and delivery, with a focus on customer collaboration.

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16

Decision Support System (DSS)

A system that helps identify problems, evaluate alternative solutions, and assist in decision-making.

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17

Transaction Processing System (TPS)

A system designed to handle high volume data capture and ensure efficient data processing.

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18

Management Information System (MIS)

A system that aggregates and summarizes data for managerial decision-making.

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19

Maintaining Systems

An ongoing process that involves correcting software errors and enhancing existing systems.

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20

Interview Types

Can be categorized into open-ended and closed questions, each serving different purposes in data gathering.

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21

Open-ended Questions

Questions that allow interviewees to express their thoughts in their own words.

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22

Closed Questions

Questions that limit responses, useful for obtaining precise data.

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23

Observation as a Data Collection Method

A technique involving watching users perform their tasks to gather information about system interaction.

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24

Document Analysis

A review of existing business documents to understand system requirements and organizational dynamics.

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