AS & A Level Computer Science (9618) — October–November 2024, Paper 12
9 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Complete the truth table for the logic expression: X = (A XOR B) NAND (A AND (B XOR C)) A working space column is provided. Complete the X column. A B C Working space X --- ---…
Answer this question and get it marked →Embedded systems are used in many electronic devices. Describe the drawbacks of embedded systems.
Answer this question and get it marked →A student has a computer. The computer is designed using the Von Neumann model for a computer system. Complete the table by describing the purpose of each of the given registers.…
Answer this question and get it marked →A program is written in a high-level language by a team of three programmers using an Integrated Development Environment (IDE). Describe how the programmers can use the debugging…
Answer this question and get it marked →A computer programmer is learning about the importance of acting ethically at work. Explain the reasons why the computer programmer needs to act ethically towards colleagues and…
Answer this question and get it marked →A company uses a relational database to store data about its customers, employees and the individual repair jobs that customers have booked. Explain the benefits of using a…
Answer this question and get it marked →A student takes a photograph of a science experiment. The photograph is saved as a bitmapped image. Define the following bitmap terms. Colour depth ... File header ...
Answer this question and get it marked →The current contents of memory are shown: Address Data --- --- 19 25 20 23 21 2 22 4 23 15 24 50 25 22 The current contents of the ACC and IX are shown: ACC = 50, IX = 20.…
Answer this question and get it marked →A road bridge has a weight limit and a height limit for vehicles. For example, a vehicle must weigh less than 10 000 kg and must have a height of less than 3 m. The bridge has a…
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