AS & A Level Computer Science (9618) — May–June 2023, Paper 33
12 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Calculate the normalised floating-point representation of 113.75 and show how it would be represented in each of these two systems. Show your working. Complete the mantissa and…
Answer this question and get it marked →Draw one line from each machine learning category to its most appropriate description. Machine learning categories: - Supervised learning - Reinforcement learning - Deep learning…
Answer this question and get it marked →A hashing algorithm is used to calculate storage locations for records in a random access file. It calculates hash values by using the function modulus 3. The function modulus…
Answer this question and get it marked →A data type to hold a set of prime numbers below 20. These prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19
Answer this question and get it marked →State, with a reason, where it would be appropriate to use circuit switching.
Answer this question and get it marked →State whether each of the following passwords is valid or invalid and give a reason for your choice. DPAD99$ Reason ............................................ DAD95 Reason…
Answer this question and get it marked →Complete the Karnaugh map (K-map) for the given Boolean expression. The K-map is a blank 4x4 grid. The columns are labelled AB with values 00, 01, 11, 10 across the top; the rows…
Answer this question and get it marked →Outline the characteristics of massively parallel computers.
Answer this question and get it marked →Encryption is used to alter data into a form that makes it meaningless if intercepted. Describe the purpose of asymmetric key cryptography.
Answer this question and get it marked →The pseudocode algorithm shown copies an active accounts text file ActiveFile.txt to an archive accounts text file ArchiveFile.txt, one line at a time. Any blank lines found in…
Answer this question and get it marked →Write the pseudocode to declare MaxSize, FrontPointer, RearPointer, Length and Queue.
Answer this question and get it marked →Describe what is meant by recursion.
Answer this question and get it marked →