Definition, Prototyping, and Reviews

Question 1

Involves formally spelling out the requirements

Answer 1

Requirements Definition

Question 2

what is DFD

Answer 2

Data Flow Diagram

Question 3

What is ERD

Answer 3

Entity-Relationship Diagram

Question 4

DFD was introduced in what year

Answer 4

1970s

Question 5

DFD was introduced by

Answer 5

DeMarco,Gane, Sarson

Question 6

ERD was introduced in what year

Answer 6

1976

Question 7

ERD was introduced by

Answer 7

Peter Chen

Question 8

A graphical tool, useful for communicating with
users, managers, and other personnel.

Answer 8

DFD

Question 9

DFD is used to perform ______ to determine logical requirements

Answer 9

structured analysis

Question 10

DFD focuses on _____

Answer 10

movement of data between external entities and processes, and between processes and data stores

Question 11

DFD provides an overview of

Answer 11

Data system processes, transformations performed, data storage, production of results and their flow

Question 12

people or organisations that send data
into the system or receive data from the system

Answer 12

External Entity

Question 13

models what happens to the data
i.e. transforms incoming data into outgoing data

Answer 13

Process

Question 14

represents permanent data that is used by
the system

Answer 14

Data Store

Question 15

models the actual flow of the data between
the other elements

Answer 15

Data Flow

Question 16

Context Diagram

Answer 16

Level 0

Question 17

Contains only one process

Answer 17

Level 0

Question 18

represents entire system

Answer 18

Level 0

Question 19

Data arrows show input output

Answer 19

Level 0

Question 20

Data stores are NOT shown, they are within the system

Answer 20

Level 0

Question 21

The major information flows between the entities
and the system

Answer 21

Level 0

Question 22

Level ____ must balance with the context diagram it
describes

Answer 22

Level 1

Question 23

Input going into a process are different from outputs
leaving the process.

Answer 23

Level 1

Question 24

Data stores are first shown at this level

Answer 24

Level 1

Question 25

Overview Diagram

Answer 25

Level 1

Question 26

Utilizes all four elements

Answer 26

Level 1

Question 27

DFD elements

Answer 27

External Entities, Process, Data Flow, Data Store

Question 28

Level ___ must balance with the Level 1 it describes.

Answer 28

Level 2

Question 29

Continue to show data stores

Answer 29

Level 2

Question 30

On level ____ processes are numbered x.1, x.2, x.3… where x is the number of the parent level 1 process

Answer 30

Level 2

Question 31

Detailed Diagram

Answer 31

Level 2

Question 32

breakdown of a process

Answer 32

Level 2

Question 33

The following should be included in the Software Requirements Specification (SRS)

Answer 33

Introduction, High level description, detailed requirements

Question 34

what is SRS

Answer 34

Software Requirements Specification