Chapter 10: Program Design

Question 1

The part of the design phase which analysts determine what programs will be written

Answer 1

Program Design

Question 2

What is the difference between the Physical DFD and the logical DFD

Answer 2

There are added information about how the system will be built

Question 3

What are the steps to transition from Logical to Physical DFD

Answer 3

1. Add implementation references
2. Draw a human-machine boundary
3. Add system-related data stores, data flows, and processes
4. Update the data element in the data flows.
5. Update the metadata in the CASE repository

Question 4

It shows all the components of code that must be included in a program at a high level, arranged in a hierarchical format that

Answer 4

Structure Chart

Question 5

The structure chart implies what three things?

Answer 5

1. Sequence
2. Selection
3. Iteration

Question 6

Components of a Structure Chart: depicted by a rectangle

Answer 6

Modules

Question 7

Components of a Structure Chart: a higher level module that contains the logic for other modules

Answer 7

Control Module

Question 8

Components of a Structure Chart: A reused module that appears multiple times in a structure chart and have vertical lines on the sides of the rectangle

Answer 8

Library module

Question 9

Components of a Structure Chart: Depicted by a curved arrow which means reexecution of a module

Answer 9

Loop

Question 10

Components of a Structure Chart: Depicted by a diamond

Answer 10

Conditional line

Question 11

Components of a Structure Chart: What is used for depicting on page and off page connectors?

Answer 11

1. Circle - On page
2. Hexagon - Off page

Question 12

Components of a Structure Chart: shown by arrows and to show information is being passed

Answer 12

Couples

Question 13

Components of a Structure Chart: represents the passing of data to other modules and the symbol is what?

Answer 13

Data couples. Arrow with no shaded circle

Question 14

Components of a Structure Chart: depicts passing of flags or system messages

Answer 14

Control Couple. Depicted using Arrows with shaded circle

Question 15

Building the Structure Chart: processes that provide inputs to the system

Answer 15

Afferent processes

Question 16

Building the Structure Chart: perform critical functions in the operation of the system

Answer 16

Central Processes

Question 17

Building the Structure Chart: deal with system outputs

Answer 17

Efferent processes

Question 18

Building the Structure Chart: contains a control module that calls subordinate modules each of each handles a particular transaction

Answer 18

Transaction structure

Question 19

Building the Structure Chart: has a control module that call several subordinate modules in sequence after which something happens

Answer 19

Transform Structure

Question 20

Program Specification: What are the components?

Answer 20

1. Program Information
2. Events
3. Inputs and Outputs
4. Pseudocode