Structured Systems Analysis and Design
(ICT2621) - Chapter 4 UPDATED ACTUAL
Questions and CORRECT Answers
Requirements modeling - CORRECT ANSWER - Fact-finding to describe the current
system and identification of the requirements for the new system
Output - CORRECT ANSWER - Electronic or printed information produced by the system
Input - CORRECT ANSWER - Necessary data that enters the system, either manually or
in an automated manner
Process - CORRECT ANSWER - Logical rules that are applied to transform the data into
meaningful information
Performance - CORRECT ANSWER - System characteristics such as speed, volume,
capacity, availability and reliability
Security - CORRECT ANSWER - Hardware, software and procedural controls that
safeguard and protect the system and its data from internal or external threats
JAD Disadvantages - CORRECT ANSWER - - More expensive
- Cumbersome if the group is too large
JAD Advantages - CORRECT ANSWER - - Users are more likely to feel a sense of
ownership if they participate in the systems development process
- More accurate statement of system requirements
- Better understanding of common goals
- Stronger commitment to the success of the new system
(ICT2621) - Chapter 4 UPDATED ACTUAL
Questions and CORRECT Answers
Requirements modeling - CORRECT ANSWER - Fact-finding to describe the current
system and identification of the requirements for the new system
Output - CORRECT ANSWER - Electronic or printed information produced by the system
Input - CORRECT ANSWER - Necessary data that enters the system, either manually or
in an automated manner
Process - CORRECT ANSWER - Logical rules that are applied to transform the data into
meaningful information
Performance - CORRECT ANSWER - System characteristics such as speed, volume,
capacity, availability and reliability
Security - CORRECT ANSWER - Hardware, software and procedural controls that
safeguard and protect the system and its data from internal or external threats
JAD Disadvantages - CORRECT ANSWER - - More expensive
- Cumbersome if the group is too large
JAD Advantages - CORRECT ANSWER - - Users are more likely to feel a sense of
ownership if they participate in the systems development process
- More accurate statement of system requirements
- Better understanding of common goals
- Stronger commitment to the success of the new system
