module 10

Question 1

systems development life cycle (SDLC)

Answer 1

serves as a framework for developing a system or project
each phases output becomes the input for the next phase
suitable for an information system that needs to be designed from scratch

Question 2

phases of the sdlc

Answer 2

planning
requirements gathering and analysis
design
implementation
maintenance

Question 3

planning

Answer 3

get feedback from users on the problem

Question 4

formation of the task force

Answer 4

diff depts
system analysts
technical advisors
top management

Question 5

feasibility study

Answer 5

measure of how beneficial or practical an info system will be to an org

economic, technical, operational, scheduling and legal

Question 6

economic feasibility

Answer 6

assesses a systems costs and benefits

Question 7

technical feasibility

Answer 7

assessing whether the technology to support the new system is available or feasible to implement

Question 8

operational feasibility

Answer 8

measure of how well the proposed solution will work in the org and how internal and external customers will react to it

Question 9

scheduling feasibility

Answer 9

concerned with whether the new system can be completed on time

Question 10

legal feasibility

Answer 10

concerned with legal issues

Question 11

requirements-gathering and analysis

Answer 11

analysts define the problem and generate alternatives for solving it

Question 12

structured systems analysis and design (SSAD)

Answer 12

sequential approach that treats process and data independently

Question 13

object oriented

Answer 13

combines process and data analysis

Question 14

design

Answer 14

analysts choose the most realistic solution that offers the highest payoff for the organization

Question 15

three parts of design phase

Answer 15

conceptual design: overview of the systems does not include hardware or software
logical design: makes conceptual design specific by indicating hardware and software
physical design: created fro specific platforms

Question 16

implementation

Answer 16

acquiring new equip
hiring and training new employees
planning and designing physical layout
coding and test

Question 17

conversion options

Answer 17

parallel
phased in and phased out
plunge
pilot

Question 18

parallel

Answer 18

old and new systems run simultaneously for a short time to ensure the new system works correctly

Question 19

phased in phased out

Answer 19

as each module of the new system is converted the corresponding part of the old system is retired

Question 20

plunge

Answer 20

old system is stopped and the new system is implemented

Question 21

pilot

Answer 21

analyst introduces the system in a limited area of the org

Question 22

IT management

Answer 22

activitiies to plan, manage and control information system creation and delivery

Question 23

Gantt chart

Answer 23

constructed using the critical path
allows teh system analyst to monitor the progress of the project
helps detect delay in the daily operation of the project

Question 24

outsourcing

Answer 24

organizations hire external vendors or consultants who specializes in providing development services

Question 25

maintenance

Answer 25

info system is operating
performance data and information is gathered and assessed

Question 26

service oriented architecture

Answer 26

focuses on development, use and reuse of small, self-contained blocks of codes
attempts to solve software development issues by recognizing, accepting and leveraging exisiting services

Question 27

agile methodology

Answer 27

focuses on an incremental development process and timely delivery of working software