Oxford AQA International A-level · Computer Science (9645)

Structured approach to programming: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Structured approach to programming.

10 questions26 marksFree, no account

Question 1

1 mark

Which of the following is a primary advantage of using a structured approach to program design?

Question 2

1 mark

Which of the following is a primary advantage of the structured approach to programming when managing a large-scale project with multiple developers?

Question 3

1 mark

Both Hierarchy Charts and Structure Charts are used in structured design. What unique information does a Structure Chart typically include that is generally omitted from a Hierarchy Chart?

Question 4

1 mark

Modularised programming is a core component of the structured approach. What characteristic defines a good module?

Question 5

1 mark

In a Structure Chart, a small arrow with a solid (filled) circle at its base is used to represent which of the following?

Question 6

2 marks

State one primary advantage of using a structured approach, specifically through modularised programming, to program construction.

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Question 7

4 marks

In structured programming, how do parameters and return values facilitate the use of modularity and maintain functional independence between subroutines?

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Question 8

5 marks

Explain how local variables and parameters contribute to limiting the scope of data, which is considered good practice in structured programming.

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Question 9

4 marks

The structured approach to programming promotes modularisation and the use of subroutines.

(a) Explain the purpose of using parameters when defining and calling subroutines in a modularised program.

(b) Outline two significant advantages of employing the structured approach to program design compared to writing one large block of unstructured code.

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Question 10

6 marks

Large-scale software projects often follow a structured approach to programming to manage complexity.
(a) Explain the concept of Functional Independence and how modularised programming supports this principle. (2 points)
(b) Discuss why passing data through Parameters is preferred over using global variables for communication between subroutines. (2 points)
(c) A program for a library management system has a main control module. It uses three sub-modules: ManageBooks, ManageUsers, and GenerateReports. Describe how these modules would be visually represented in a Hierarchy Chart. (2 points)

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