Computer Science 9-1 0984: Hardware and Software Topical Past Paper Questions
Cambridge IGCSE Computer Science 9-1 (0984) past-paper questions on Hardware and Software, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Consider the logic expression: Z = NOT (B OR NOT C) XOR (A NAND C) (a) Draw a logic circuit for this logic expression. Each logic gate must have a maximum of two inputs. Do not simplify the logic expression. (b) Complete the truth table from the given logic expression.
A house has a smart speaker that can take voice commands as input. A person in the house can tell the smart speaker to play music or audio books. (a) The smart speaker cannot be described as a robot. Explain why the smart speaker is not a robot. [3] (b) Identify the input device…
A logic circuit is to be built to control the opening of a safe used to store money. There are two keys, A and B, and a time switch C. The safe can only open if both keys are used and the time switch is off. (a) Write the logic expression for this problem. [3] (b) Complete the tr…
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