System Analysis and Design
The rule(s) to follow in constructing decision tables is (are):

a decision should be given a name
the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.
standardized language must be used consistently.
all of the listed here

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Sequential or series testing is

making sure that the new programs do in fact process certain transactions according to Specifications
running the system with line data by the actual user
testing changes made in an existing or a new program
is checking the logic of one or more programs in the candidate system

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
An open rectangle

is a data store-data at rest, or a temporary repository of data
identifies data flow
defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
None of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
An audit trial is

post-auditing the system after its implementation
designed to permit tracing of any input record or process performed on a system, back toits original sources
None of these
All of these
test data used by the system auditor

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
System prototyping helps the designer in

all of the listed here
making the programmers understand how the system will function.
giving a demo of the software, to the system manager to whom he reports
communicating to the user, quickly, how the system, when developed, will look like and get a feedback.

ANSWER DOWNLOAD EXAMIANS APP