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EnglandComputer ScienceQuick questions
2.2 Problem solving and programming
Quick questions on Programming constructs, subroutines, scope, parameters and recursion - OCR A-Level Computer Science H446
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the difference between a count-controlled and a condition-controlled loop. [2 marks]
What is q2?Show answer
State what every recursive subroutine must have to avoid infinite recursion. [1 mark]
What is q3?Show answer
Explain one advantage of passing a parameter by reference. [2 marks]
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