Related Questions

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
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 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 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
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
A Length is shorter
B Throat diameter is more
C Sudden expansion of flow in the downstream occurs
D Distance between the throat and the inlet is more
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
A $$\frac{{\text{Q}}}{2}$$
B $$\frac{{\text{Q}}}{4}$$
C $$\frac{{\text{Q}}}{8}$$
D $$\frac{{\text{Q}}}{{16}}$$
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

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