Summary CHAPTER 15: SYSTEM DEVELOPMENT LIFE CYCLE (A level IT 9626)

Objectives

Candidates should be able to:
 evaluate different methods
of analysis
 describe the contents of
specifications
 design a solution



evaluate suitable hardware
and software
explain and analyse
different types of testing
System Development Li


create a test plan
describe and analyse
different implementation
methods
Circle
 design, develop and explain
the need for
documentation
 evaluate a new system
 explain different types of
maintenance




A LEVEL ICT 14-Aug-20 MR

,Objectives
SDLC (System Life Cycle)
Candidates should be able to: INTRO
 evaluate different methods
of analysis
 describe the contents of • SDLC is a process for planning, creating, testing, and d

specifications
design a solution
a new system.
 evaluate suitable hardware
and software
 explain and analyse • It is also referred to in some literatures as Application

different types of testing
create a test plan
Development Life Circle (ADLC) OR Software Developm
 describe and analyse Circle (SDLC).
different implementation
methods
 design, develop and explain
the need for
• Basically Software/Application Development Life Cycle
documentation of System Development Life Cycle. “System” consists o
 evaluate a new system Software and Hardware or both.
 explain different types of
maintenance

• A new system can be composed of hardware only, soft
only, or a combination of both.
A LEVEL ICT 14-Aug-20 MR

,Objectives
SDLC (System Life Cycle)
Candidates should be able to: INTRO
 evaluate different methods
of analysis
 describe the contents of
specifications

• A systems analyst is an information technology
design a solution
 evaluate suitable hardware
and software
 explain and analyse professional who specializes in analyzing, designin

different types of testing
create a test plan
implementing information systems.
 describe and analyse
different implementation
methods
 design, develop and explain
the need for
• The system analyst investigates the end users , or S
documentation Administrators of the proposed system.
 evaluate a new system
 explain different types of
maintenance




A LEVEL ICT 14-Aug-20 MR

, SDLC (System Life Cycle)
Objectives What is the purpose of systems analysis and design?
Candidates should be able to:
 evaluate different methods
of analysis
 describe the contents of
specifications
 design a solution • This is the process of looking at an existing system and then des
 evaluate suitable hardware new system that can carry out the same tasks better (e.g. a payr
and software or billing system).
 explain and analyse
different types of testing
 create a test plan • If a system is developed without proper planning or design, serio
 describe and analyse and defects are usually found in the system later on when it has
different implementation built.
methods
 design, develop and explain
the need for
documentation • Any faults discovered once the system has been built are very ex
 evaluate a new system and time-consuming to correct.
 explain different types of
maintenance
• By carrying out proper planning (systems analysis and design) be
starting to build the system, these potential faults are minimised

A LEVEL ICT 14-Aug-20 MR