1
2 marks
Define selection and provide an example of how it is used in a program
Was this exam question helpful?
6.4 Thinking Logically (OCR A Level Computer Science): Exam Questions
Exam code: H446
18 mins6 questions
2
2 marks
State how 'iteration' is different from 'selection'.
Was this exam question helpful?
3
3 marks
Explain how logical conditions affect the flow of a program, and describe the role of Boolean operators in these conditions.
Provide an example.
Was this exam question helpful?
4
4 marks
Describe the difference between a flowchart and pseudocode when designing algorithms, and give one advantage of each.
Was this exam question helpful?
5
3 marks
The characters and prizes are designed as separate classes. 10 of the spaces on the road will contain an instance of the class Prize. The other spaces will be empty.
The class design for Prize is here
|
|
|
new() is the constructor method. The name, type and value are passed to the constructor as parameters which then assigns these to the attributes.
The game starts with 10 prizes. Each prize is allocated to one space on the road.
An algorithm needs designing that will generate a random space on the road for each prize. Each road space can only store one prize.
Describe the decisions that will need to be made in this algorithm and how these will affect the program flow.
Was this exam question helpful?
6
4 marks
Explain how decision statements and logical conditions control the flow of a program.
Was this exam question helpful?