The system life cycle

Reorder the following according to the computer system life cycle.

• Design

• Documentation and Evaluation

• Implementation

• Analysis

• Testing

Match the following analysis methods with descriptions

• Looking for existing data and documentation of the system

• Examination of documents

• Asking people who are using the system

• Questionnaire

• Watching what is going on and how tasks are completed

• Observation

• Collecting responses and feedback using surveys

• Interview

Which of the following is not a system specification?

• The purpose of the system

• Input and Output data

• How the data is processed

• Performance indicators

• Customer feedback

Which of the following is not a design stage part?

• File/data structures

• Input format

• Output format

• Validation rules

• Testing

Match the following validation rules with examples

• Date in dd/mm/yy

• Type

• Only numeric values

• Format

• No empty field

• Presence

• Age between 13 and 15 years old inclusively

• Length

• Password with minimum 8 characters

• Range

Which of the following are test types?

• Normal data

• Extreme data

• Abnormal data

• Paranormal data

• Average data

A ____ data is actual, real-life data that has been used while the old system was running.

Which of the following is not part of an implementation stage?

• Hardware selection

• Data files organization

• Training

• Analyzing

​ ​ (a)   is when the old system is shut down and the new system is started up.

​ (b)   is implementation where one part of the system is changed but the rest part of the system continues to use old methods.

​ (c)   is when the new system is trialled in just one part of the organization.

​ (d)   is when the old system runs alongside the new system until it has proved to be effective.

• Direct changeover
• Phased implementation
• Pilot running
• Parallell running

Which of the following has to be in both technical and user documentation?

More than one correct answer.

• Purpose

• Limitations

• System flowchard

• Troubleshooting

• Validation routines