System Analysis and Design
Back-up procedure helps in

all of the listed here
restoring the data files whenever there is a system crash
restoring the operation whenever there is a disk failure
none of the listed here

ANSWER DOWNLOAD EXAMIANS APP

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.
all of the listed here
standardized language must be used consistently.

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
The term Parallel Run refers to

the same job run on two different computer to test their speeds
All of these
None of these
the concurrent operation of an existing system and a new system
the processing of two different jobs initiated from two terminals.

ANSWER DOWNLOAD EXAMIANS APP