SE - overview of SA/SD

Structured analysis is based on the principles of

• Top-down decomposition approach

• Divide-conquer principal

• Graphical representation of results using DFD's

• All of the mentioned

Which of the following is /are true with respect to functions?

• A function such as "search - book" is represented using a circle.

• Functions represent some activity

• Function symbol is known as a process symbol or a bubble in DFD's

• All of the mentioned

What DFD notation ia represented by the rectangle?

• Transform

• Datastore

• Function

• None of the mentioned

In DFDs, user interactions with the system is denoted by

• Circle

• Arrow

• Rectangle

• Triangle

SA/SD features are obtained from which of the methodologies?

• Constantine and Yourdon methodology

• DeMarco and Yourdon methodology

• Gane and Sarson methodology

• All of the mentioned

To arrive at a form which is suitable for implementation in some programming language is the purpose of

• Stuctured Analysis

• Structured Design

• Detailed Design

• None of the mentioned

Structured analysis is based on the principle of bottom- up approach

• True

• False

A directed arc or line in DFd represents

• Data store

• Data flow

• Data process

• All of the mentioned