Ebusiness
SOFTWARE DEVELOPMENT TECHNIQUES
SAMPLE
Examination Paper
Answer ALL questions.
Clearly cross out surplus answers.
Time: 2 hours
Any reference material brought into the examination room must be handed to the invigilator before the start of the examination.
ANSWER ALL QUESTIONS
Marks
QUESTION 1
a) Define what is meant by a ‘desk check’, and explain why we perform this process when developing algorithms.
4
b)
Define what is meant by ‘pseudocode’ and explain why we use this before writing computer code. 4
c)
Describe what is meant by ‘flow of execution’ in a program.
2
Total 10 Marks
QUESTION 2
a)
Define the term scaling and explain how it is an issue for programs we create.
4
b)
What would be an appropriate data type to store a book’s ISBN number? Justify your answer.
3
c)
Explain the issues of implementation-specific data type representation, that are associated with pseudocode. 3
Total 10 Marks
QUESTION 3
a)
Explain what is meant by a bounded loop, and give an example of when it would be appropriate to use.
4
b)
Explain what is meant by an unbounded loop, and give an example of when it would be appropriate to use.
4
c)
Provide the pseudocode for a loop that steps over all the even numbers from 10 to 50
2
Total 10 Marks
QUESTION 4
a)
Provide the pseudocode for a program that takes in a whole number user input, and tells them whether their number is an odd number.
4
b)
Explain what is meant by a compound conditional, and provide an example of where it would be appropriate to use one.
4
c)
Explain what is meant by a ‘truth’ table.
2
Total 10 Marks
QUESTIONS CONTINUE ON NEXT PAGE
Page 2 of 4
Software Development Techniques
Sample
Formatted/HW
© NCC Education Ltd 2012
Marks
QUESTION 5
a)
Provide the pseudocode for a function that returns the power of a number to itself.
6
b)
Explain the benefits that come
SAMPLE
Examination Paper
Answer ALL questions.
Clearly cross out surplus answers.
Time: 2 hours
Any reference material brought into the examination room must be handed to the invigilator before the start of the examination.
ANSWER ALL QUESTIONS
Marks
QUESTION 1
a) Define what is meant by a ‘desk check’, and explain why we perform this process when developing algorithms.
4
b)
Define what is meant by ‘pseudocode’ and explain why we use this before writing computer code. 4
c)
Describe what is meant by ‘flow of execution’ in a program.
2
Total 10 Marks
QUESTION 2
a)
Define the term scaling and explain how it is an issue for programs we create.
4
b)
What would be an appropriate data type to store a book’s ISBN number? Justify your answer.
3
c)
Explain the issues of implementation-specific data type representation, that are associated with pseudocode. 3
Total 10 Marks
QUESTION 3
a)
Explain what is meant by a bounded loop, and give an example of when it would be appropriate to use.
4
b)
Explain what is meant by an unbounded loop, and give an example of when it would be appropriate to use.
4
c)
Provide the pseudocode for a loop that steps over all the even numbers from 10 to 50
2
Total 10 Marks
QUESTION 4
a)
Provide the pseudocode for a program that takes in a whole number user input, and tells them whether their number is an odd number.
4
b)
Explain what is meant by a compound conditional, and provide an example of where it would be appropriate to use one.
4
c)
Explain what is meant by a ‘truth’ table.
2
Total 10 Marks
QUESTIONS CONTINUE ON NEXT PAGE
Page 2 of 4
Software Development Techniques
Sample
Formatted/HW
© NCC Education Ltd 2012
Marks
QUESTION 5
a)
Provide the pseudocode for a function that returns the power of a number to itself.
6
b)
Explain the benefits that come