IGCSE Computer Science (0478) — May–June 2023, Paper 12
10 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Output devices are used to output data from a computer. Circle three devices that are output devices. actuator digital versatile disk (DVD) keyboard microphone mouse printer…
Answer this question and get it marked →Binary numbers can be converted to hexadecimal. Convert the two binary numbers to hexadecimal. 10010011 = ........ 00001101 = ........
Answer this question and get it marked →When keys are pressed on a keyboard, the text is converted to binary to be processed by the computer. Describe how the text is converted to binary to be processed by the computer.
Answer this question and get it marked →A student uses a mobile phone to take photographs for a school project. The student needs to transmit the photographs to their computer. They could use serial data transmission or…
Answer this question and get it marked →A programmer writes a computer program using a high-level language. Tick (✓) one box to show which statement is correct about writing computer programs in a high-level language. […
Answer this question and get it marked →Complete the statements about cookies. Use the terms from the list. Some of the terms in the list will not be used. Some terms may be used more than once. List: compression,…
Answer this question and get it marked →A distributed denial of service attack (DDoS) is a cyber security threat. Draw and annotate a diagram to represent the process of a DDoS.
Answer this question and get it marked →A computer is connected to a network and assigned an IPv4 address. Tick (✓) one box to show which device would assign the IPv4 address to the computer. [ ] A Domain name server…
Answer this question and get it marked →One component of an expert system is the inference engine. Identify the three other components in an expert system.
Answer this question and get it marked →A user has both system software and application software installed on their computer. Describe the difference between system software and application software. Give an example of…
Answer this question and get it marked →