IGCSE Computer Science (0478) — May–June 2025, Paper 23
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →The flowchart shows an algorithm used for quality control on a biscuit production line. The weight of each biscuit is entered into the variable Weight. If the weight of the…
Answer this question and get it marked →Three uses of arithmetic operators and four results are shown. Draw one line from each use of arithmetic operator to the correct result. Not all results will be used. Use of…
Answer this question and get it marked →The purpose of this pseudocode algorithm is to carry out a bubble sort to sort, in descending order, 1000 numbers stored in a one-dimensional (1D) array. 01 DECLARE Values :…
Answer this question and get it marked →An input must be an integer between 10 and 95, inclusive. State the type of validation check to test if the input meets this requirement.
Answer this question and get it marked →A computer store uses a database table COMPONENT to store the stock details of a range of components needed to build computer systems. Complete the table by giving appropriate…
Answer this question and get it marked →This pseudocode represents an algorithm. DECLARE Store : ARRAY[1:100] OF CHAR DECLARE Word : STRING DECLARE Index : INTEGER DECLARE Letter : CHAR INPUT Word FOR Index <- 1 TO…
Answer this question and get it marked →Draw the symbol for a NOR logic gate and complete the truth table for it. NOR logic gate symbol: (draw in the space provided) Truth table: A B Z --- --- --- 0 0 0 1 1 0 1 1
Answer this question and get it marked →A collector needs a video library system for a collection of videos stored on 4K Blu-ray discs, standard Blu-ray discs, DVD, or as digital downloads. The two-dimensional (2D)…
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