AS & A Level Computer Science (9618) — May–June 2025, Paper 11
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Write the logic expressions for the following logic circuit. The circuit has four inputs P, Q, R and S on the left and two outputs X and Y on the right. Upper section (output X):…
Answer this question and get it marked →Programmers in a software development company take part in live video conferences to discuss their work. The live video conferences take place using real-time bit streaming. The…
Answer this question and get it marked →A computer stores images and text files. One of the images is a bitmapped image. Complete the table by writing the answer for each statement. Statement Answer ----------- --------…
Answer this question and get it marked →A shop installs a new system that allows users to purchase items without going through a manual checkout. The new system: - identifies customers when they enter the shop and…
Answer this question and get it marked →A company builds and sells furniture to customers. The company stores data about customers, their payment cards and their furniture orders in a database. The database, FURNITURE,…
Answer this question and get it marked →A programmer is buying a new computer. The programmer is considering the following two computers: Specification --- --------------- Computer 1 Quad-core 2.2 GHz processor; 16-bit…
Answer this question and get it marked →A banker stores personal data on their work computer. The banker needs to transfer confidential data across the internet. Identify and describe one method of restricting the risks…
Answer this question and get it marked →The following table shows part of the instruction set for a processor. The processor has two registers: the Accumulator (ACC) and an Index Register (IX). Opcode Operand…
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