6.
What
are
the
five
phases
of
the
systems
development
life
cycle
(SDLC)?
1.
Systems
planning
and
selection
2.
Systems
analysis
3.
Systems
design
4.
Systems
implementation
and
operation
5.
Systems
maintenance
7.
List
and
describe
five
techniques
used
in
requirements
collection.
Interviews-‐
analysts
interview
people
informed
about
the
operation
and
issues
of
the
current
or
proposed
system.
Questionnaires-‐
analysts
design
and
administer
surveys
to
gather
opinions
from
people
informed
about
the
operation
and
issues
of
the
current
or
proposed
system.
Observations-‐
analysts
observe
workers
at
selected
times
to
see
how
data
are
handled
and
what
information
people
need
to
do
their
jobs.
Document
analysis-‐
analysts
study
business
documents
to
discover
issues,
policies,
and
rules
as
well
as
concrete
examples
of
the
use
of
data
and
information
in
the
organization.
Joint
application
design-‐
JAD
is
a
group
meeting-‐based
process
for
requirements
collection.
15. What
are
the
three
major
components/tasks
of
the
systems
design
phase
of
the
SDLC?
Designing
the
Human-‐
Computer
Interface,
Designing
Databases
and
Files,
Designing
Processing
and
Logic
16. What
are
the
four
options
for
system
conversion?
How
do
they
differ
from
each
other?
Parallel,
which
consists
of
old
and
new
systems
that
are
used
at
the
same
time.
Direct,
which
consists
of
old
system
is
discontinued
on
one
day,
and
the
new
is
used
the
next.
Phased,
which
parts
of
the
new
system
are
implemented
over
time.
Pilot
(single
location),
which
the
entire
system
is
used
in
one
location.
17. Compare
and
contrast
the
four
types
of
systems
maintenance.
Corrective
maintenance
is
making
changes
to
an
information
system
to
repair
flaws
in
the
design,
coding,
or
implementation.
Adaptive
maintenance
is
making
changes
to
an
information
system
to
evolve
its
functionality,
to
accommodate
changing
business
needs,
or
to
migrate
it
to
a
different
operating
environment.
Perfective
maintenance
is
making
enhancements
to
improve
processing
performance
or
interface
usability,
or
adding
desired
but
not
necessarily
required
system
features
(in
other
words,
“bells
and
whistles”).
Preventive
maintenance
is
making
changes
to
a
system
to
reduce
the
chance
of
future
system
failure.