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
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
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
The Data flow diagram (DFD) shows;
A the flow of data
B the processes
C the areas where they are stored.
D All of the above
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
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
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.
A Incompressible
B Compressible
C Viscous
D None of these
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the
A Length of the pipe
B Diameter of the pipe
C Density of the fluid
D Velocity of the fluid
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
The velocity at which the flow changes from laminar flow to turbulent flow is called
A Critical velocity
B Velocity of approach
C Sub-sonic velocity
D Super-sonic velocity

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