FLOWCHART
Flowchat is reffered also Data of Flow Diagram (DFD)
Depicting the division of system into smaller module
Facilitating less comprehending user of computer area to understand system to be done

KONTEXT DIAGRAM
1. Consist of once process and depict scope from a system
2. Representing highest level of DFD depicting all input to system and output of system
3. System limited by boundary ( depicted by dash line)
4. There may not be any is depository ( storage)

ZERO DIAGRAM
• Depicting process of DFD
• Opening on to by totally regarding system handled, showing existing especial process or function, data stream and of eskternal entity
• At this level is enabled by the existence of data of storage
• For process which is not detailed again at level hereinafter hence enhanced by symbol ‘*’ or ‘ P’ by the end of process number
• Input balance and of output ( balancing) between diagram 0 with context diagram have to be looked after

DETAIL DIAGRAM
• Representing diagram elaborating process what there [is] in diagram zero or level above him
• Level Numberization at DFD:

. In one level shall not there are more than 7 process and maximal 9, when more hence must be done decomposition.

THE SPECIFICATION OF SYSTEM
• Every process of DFD have to the specification of process
• At method level top used to depict process earn by using descriptive sentence
• At more level detailed that is at process most under ( primitive functional) requiring the specification of more the structure
• Specification of process will become guidance to programmer in making program ( coding)
• Method which is used in specification of process: breakdown of process in the form of story, decision table, decision tree

EXTERNAL UNITY.
• Something that beyond system, but he give data into system or give data of system
• Symbol with notation box
• External of entity doesn’t the including the part of system

CURRENT DATA
• Representing place emit a stream of information him
• Depicted with connective straight line component of system
• Data current shown with direction bow and line called of data current emiting a stream of
• Data current emit a stream of among process, data of storage and show data current of data which in the form of input for system
• Guidance gift of name:
• Name of data stream which consist of some word stream attributed to continued line
• There may not be any data stream which is same name and gift of name have to express its contents
• Data stream which consist of some element can be expressed with element grup
• Avoid usage of word ‘ data’ and ‘ information’ to give the name of data stream
• As possible the name of data stream written is complete
• Other of rule:
• Name of data stream which come into an process may not is equal to name of secretory data stream of process
• data of Flow which step into or go out from data of storage needn’t be called if:
• comprehended easy and simple Data stream
• Data stream depict all data item
• There may not be any data stream of terminal to data of storage or on the contrary because terminal non part of system, terminal link with data of storage have to through process

PROCESS
• Process represent what done by system
• Process can be procesing data stream or data enter to become exit data stream
• Functioning process of transformation one or some input data become one or some output data as according to specification of which is wanted
• Every process have one or some input and also yield one or some output
• Process often is also referred as by bubble
• Guidance gift of process name:
• The name of process consist of noun and vb. expressing process function him
• Don’T use word process as part of the name of a bubble
• There may not be any some process owning the name of is same
• Process have to give by number. Number sequence as possible follow process sequence or stream, but that way meaningless number sequence absolutely represent sequence process chronologically

STORAGE DATA
• Data of Storage represent existing data repository in system
• The symbol with a couple of parallel line or two line wrongly one side from other side openly
• Process can take data from or give data to database
• Guidance gift of name:
• Name have to express data of storage
• When its name more than one word hence have to say the word to joint

DFD SYMBOL

DATA DICTIONARY
• Function to assist perpetrator of system to interpret application in detail and organizational all used by data element is system precisely so that user and system analyst have is same congeniality base about input, output, depository and process
• At analysis phase, data dictionary used as by communication means among system analyst with user
• At phase scheme of system, data dictionary used to design input, database and report
• Data current at DAD have the character of globally, boldness more detailed can be seen by data dictionary
• Data dictionary load the followings:
• Name of data current: have to be noted reader to needing furthermore clarification about a data current can look for it easily
• The other name: name or other name of is differ from data can be written by if there are any
• Data form: used to group data dictionary into its use time scheme of system
• Data current: showing where from data emit a stream of and where data go to
• Clarification: giving clarification about meaning of data current

BALANCING TO DFD
• Data stream which come into and go out from one process have to is equal to data stream which come into and go out from detail of process at level/ level under him
• Name of data stream which come into and go out from one process have to is equal to name of data stream which enter into and go out from detail of process
• Amount and name of entitas external from an process have to is equal to name and amount of entitas external from detail of process
• Things which must be gave attention to DFD owning more than one level:
• Have to there are input balance and of output among one and level of level next
• Balance among level 0 and level 1 seen at input and output of data stream to or from terminal at level 0, while balance among level 1 and level 2 seen at input / output of data stream to / from pertinent process
• Name of data stream, data of storage terminal and at every level have to be is same if its same object

PROHIBITION ORDER IN DFD
• Data current may not from direct external entitas go to other external entitas without passing an process
• Data current may not from direct data deposit go to external entitas without passing a process
• Data current may not from direct data deposit go to other data deposit without passing a process
• Data current from one direct process go to other process without passing an data deposit better / can is possible avoided