IGCSE Computer Science (0478) — May–June 2023, Paper 13
11 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Computers store data as binary. The binary number 10101110 is stored. Convert the binary number to denary.
Answer this question and get it marked →A library has a self-checkout system that allows customers to register books that they want to borrow. The self-checkout system has a central processing unit (CPU). The CPU has…
Answer this question and get it marked →Five network terms or definitions are given in the table. Complete the table by giving the missing term or definition. Term Definition ------ ------------ router ........ ........…
Answer this question and get it marked →A programmer writes a computer program in a high-level language. Tick (✓) one box to show which statement is a benefit of writing a program in a high-level language, instead of a…
Answer this question and get it marked →Complete and annotate the diagram to demonstrate how packet switching is used to transmit data across a network, including the use of routers, from Device A to Device B. The…
Answer this question and get it marked →A student is writing a help guide about how to recognise and avoid the cyber-security threat of pharming. Give three appropriate solutions he could include.
Answer this question and get it marked →The rule base and the inference engine are two components of an expert system. Identify the other two components of an expert system.
Answer this question and get it marked →Complete the statements about a distributed denial of service (DDoS) attack. Use the terms from the list. Some of the terms in the list will not be used. You should only use a…
Answer this question and get it marked →A device can be given an internet protocol (IP) address. This can be an IPv4 or IPv6. Give one similarity between IPv4 and IPv6.
Answer this question and get it marked →A computer has pages A, B and C that are stored in RAM. Page D needs to be sent to the RAM but the RAM is full. Page B is not needed immediately. Explain how virtual memory can be…
Answer this question and get it marked →Software is installed on a computer to manage files, memory and multitasking. State the name of the software that can do these tasks.
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