ch 6

Question 1

what is the prosecess model describe

Answer 1

business process the activities that people do

Question 2

the process model are developed for…………….or……….

Answer 2

as is system or to be system

Question 3

give example of processing model techniques

Answer 3

data flow diagram

Question 4

we can do the data flow diagram for computerised process or not true or false

Answer 4

true

Question 5

what is the definition of a data flow diagram

Answer 5

is technique that diagrams the business process and the data that pass among them

Question 6

who is external entity

Answer 6

which is recatangle that represents individuals

Question 7

what is the name of open-ended rectangle

Answer 7

is called data store

Question 8

the destination of output flows out to

Answer 8

external entity and data storage

Question 9

what are the elements of the data flow diagram,

Answer 9

processes
data flow
data stores
and external entities

Question 10

every processes has

Answer 10

number 
name 
describtion
at least one output 
at least one input

Question 11

every date flow has

Answer 11

a name
a description
connection to a process

Question 12

every data sore has

Answer 12

a number 
name 
describtion
at least one output 
at least one input

Question 13

Every external entity has

Answer 13

name

description

Question 14

what is process

Answer 14

is an activity or a function that is performed for specific business reasons

Question 15

what is data flow and give me another name

Answer 15

a data is a single piece of data

data element data flow is the glow that holds the process together

Question 16

every process at least one output data flow and at least one input data flow

Question 17

what is the defination of data store

Answer 17

is a collection of data that is stored in some way

Question 18

what is the definition of an external entity

Answer 18

an external entity is a person organization unit or system is external to the system

Question 19

the context diagram

Answer 19

show the overall business process as just one process and show the data flow to and from external entities

Question 20

level 0 diagram

Answer 20

show all the processes at the first level of numbering the purpose is to show all the major high-level process of the system and how they are interlated

Question 21

the context diagram hides some of the system complexity in order to make it easier to the reader to read and understand
true or false

Answer 21

true

Question 22

process of 2.1,2.2and 2.3 are the childeren of process 2

true or false

Answer 22

true

Question 23

level 0 dfd has no decimal points 
level 1 dfd has one  decimal points 
level 2 dfd has two  decimal points
and so on 
true or false

Answer 23

true

Question 24

what is strctured english

Answer 24

use short sentances that describe that a process perform s

Question 25

what is decision trees

Answer 25

display decision logic (if statment )as set of nodes (questions )and branches (answers )