System Analysis and Design
The approach used in top-down analysis and design is

all of the listed here
to prepare flow charts after programming has been completed
to identify the top level functions by combining many smaller components into a single entity
to identify a top level function an d then create a hierarchy of lower-level modules and components.

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Data Definition Language (DDL)

determine how data must be structured to produce the user's view
all of the listed here
describes how data are structured in the data base
specifies for the DBMS what is required; the techniques used to process data

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
A couple:

None of these
None of these
is represented by a line joining two modules
is a data item that moves from one module to another
means that the upper module has the capability of calling the lower module

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
In a Decision tree

all of the listed here
the root is drawn on the left and is the starting point on the decision sequence
the nodes represent the conditions, with the right wise of tree listing the actions to be taken
the branch, to be followed, depends on the conditions and decisions, to be made

ANSWER DOWNLOAD EXAMIANS APP