Related Questions

Which of the following symbols is (are) not the Data Flow Diagram (DFD):
A a square
B an open rectangle
C a circle
D a triangle
E a bubble
Ten new television shows appeared during the month of September. Five of the shows were sitcoms, three were hour-long dramas, and two were news-magazine shows. By January, only seven of these new shows were still on the air. Five of the shows that remained were sitcoms.
A Only one of the news-magazine shows remained on the air.
B Only one of the hour-long dramas remained on the air.
C At least one of the shows that was cancelled was an hour-long drama.
D Television viewers prefer sitcoms over hour-long dramas.
DFD stands for ___
A data file dish
B data flow daigram
C disk flat database
D disk file database
In computer based information system (CBIS), DFD stands for:
A data flow diagram
B data flow descent
C dotted flow diagram
D such a terminology does not exist in CBIS
E None of the above
In functional decomposition, the data flow diagram
A is ignored
B is partitioned according to the "closeness" of the datagrams and data storage items
C is partitioned according to the logical "closeness" of the actigrams
D both (a) and (c)
E None of the above
A data flow diagram is
A the modern version of flowchart
B mainly used at the systems specification stage.
C the primary output of the systems design phase
D All of the above
E None of the above
Which of the following represents processor activities, methods, and procedures in a data flow diagram?
A datagram
B actigram
C feed back
D flow chart
E None of the above
Which of the following is not a part of a Data Flow Diagram?
A disk storage
B arrow
C Data store
D process represented by a bubble circle (circle)
E None of the above
The four icons used in building Data Flow Diagram are
A Flow, Source, Store, Process
B Flow, Process, Source, Store
C Flow, Process, Source/Destination, Store
D Source, Process, Destination, Store
E None of the above
During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.
A True
B False

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