Software development entails the processes of analysis, design, development, implementation and .. - NSC Information Technology - Question 5 - 2019 - Paper 2
Question 5
Software development entails the processes of analysis, design, development, implementation and ...
5.1.2 Name ONE visual tool (diagram) that can be used for design... show full transcript
Worked Solution & Example Answer:Software development entails the processes of analysis, design, development, implementation and .. - NSC Information Technology - Question 5 - 2019 - Paper 2
Step 1
Complete the statement.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Software development also entails processes of testing and maintenance.
Step 2
Name ONE visual tool (diagram) that can be used for design purposes.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One visual tool that can be used for design purposes is a Flowchart.
Step 3
Write down which loop structure (Repeat...until/While...do) would be more suitable for EACH of the following purposes:
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
(a) Repeat...until is suitable as it ensures the loop runs at least once.
(b) While...do is suitable as it checks for the condition before executing the loop.
Step 4
What type of error (syntax, logical or runtime) occurred if the following result is obtained when code is compiled or executed?
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
(a) Division by zero results in a Runtime error.
(b) An incorrect output of a calculated value indicates a Logical error.