IGCSE Computer Science (0984) — October–November 2023, Paper 12
13 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Malware can be used to corrupt data stored on a computer. Tick (✓) one box to show which cyber security threat is not a type of malware. A Phishing B Ransomware C Virus D Worm
Answer this question and get it marked →A register stores the binary number: 1 1 1 0 0 0 1 1 Give the denary number for the binary number stored in the register.
Answer this question and get it marked →A user's computer has a central processing unit (CPU) that has a clock speed of 2 GHz. She wants to change it to a CPU that has a clock speed of 3 GHz. State what is meant by…
Answer this question and get it marked →A washing machine is an example of an embedded system. Give two characteristics of an embedded system.
Answer this question and get it marked →A band is recording their new song. They need to consider the sample rate and sample resolution of their recording. Give one benefit of using a higher sample rate to record the…
Answer this question and get it marked →The table contains descriptions about data transmission methods. Complete the table by identifying which data transmission methods are described. Data transmission method…
Answer this question and get it marked →A train station has a ticket inspector who checks each customer's ticket before they are allowed to get on the train. The train station wants a system that will allow the tickets…
Answer this question and get it marked →Draw and annotate a diagram that demonstrates the cyber security threat of data interception.
Answer this question and get it marked →The table contains terms and descriptions about the internet. Complete the table with the missing terms and descriptions. Term Description --- --- ......................... the…
Answer this question and get it marked →A business has a system that is described as having artificial intelligence (AI). State one of the main characteristics of an AI system.
Answer this question and get it marked →A manufacturing company uses an automated system in its manufacturing process. The automated system uses a flow sensor. Identify what a flow sensor measures.
Answer this question and get it marked →Digital currency can be used to pay for products and services. Digital currencies are often tracked using digital ledgers. Give two other features of digital currency.
Answer this question and get it marked →Storage and memory are important components of a computer system. Primary storage is one type of storage in a computer system. Tick (✓) one box to show which is an example of…
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