AS & A Level Computer Science (9618) — May–June 2025, Paper 12
7 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →The table has six statements about the Von Neumann model for a computer system. Three of the statements are incorrect. Statement number Statement --- --- 1 The Program Counter…
Answer this question and get it marked →Convert the denary integer 558 into 12-bit binary and hexadecimal. Binary ........................................................................... Hexadecimal…
Answer this question and get it marked →A computer program uses a digital camera to read the words on an item. The program can read the words that are written on the item, translate the words to a chosen language and…
Answer this question and get it marked →Write the logic expressions for the following logic circuit. The circuit has four inputs R, S, T and U and two outputs X and Y. - Inputs R and S feed into a NOR gate; the output…
Answer this question and get it marked →An online game has a database that stores data about users and the characters each user creates in the game. Each user can create multiple characters and purchase multiple items…
Answer this question and get it marked →A company has multiple sites in different cities. The company has drivers who deliver products to customers. Each driver can connect to the company's WAN (Wide Area Network)…
Answer this question and get it marked →The following table shows part of the instruction set for a processor. The processor has one register: the Accumulator (ACC). Opcode Operand Explanation --- --- --- LDD <address…
Answer this question and get it marked →