AS & A Level Computer Science (9618) — October–November 2023, Paper 31
12 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Real numbers are stored in a computer using floating-point representation with: - 12 bits for the mantissa - 4 bits for the exponent - two's complement form for both the mantissa…
Answer this question and get it marked →Draw one line to connect each protocol to its most appropriate use. Protocols: - HTTP - BitTorrent - SMTP - IMAP Uses: - to provide peer-to-peer file sharing - when retrieving…
Answer this question and get it marked →Describe what is meant by enumerated and pointer data types.
Answer this question and get it marked →Describe sequential and random methods of file organisation.
Answer this question and get it marked →Describe the features of SISD and MIMD computer architectures.
Answer this question and get it marked →This diagram represents a logic circuit (inputs A, B, C, D and output Z). Complete the truth table for the given logic circuit. (A 'Working space' column is provided on the…
Answer this question and get it marked →A student buys a new computer. State one benefit to the student of a user interface and give an example.
Answer this question and get it marked →A pseudocode algorithm finds a customer account record in a random file and outputs it. The records are stored using the user-defined data type TAccount. TYPE TAccount DECLARE…
Answer this question and get it marked →Write the infix expression for this Reverse Polish Notation (RPN) expression: 5 2 – 5 4 + 9 /
Answer this question and get it marked →Write the pseudocode for the required declarations.
Answer this question and get it marked →Anthony is a student who would like to study history and geography. Write additional clauses to represent this information. 22 .... 23 .... 24 ....
Answer this question and get it marked →Artificial neural networks have played a significant role in the development of machine learning. Explain what is meant by the term artificial neural network.
Answer this question and get it marked →← October–November 2023 Paper 32 · October–November 2023 Paper 23 →