IGCSE Computer Science (0984) — October–November 2023, Paper 22
11 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Tick (✓) one box to complete the sentence. Verification is used to make sure that a value entered A has not changed during input. B is an integer. C is correct. D is not a string.
Answer this question and get it marked →A programmer validates data entered into a program. Identify one type of validation check.
Answer this question and get it marked →A programmer uses pseudocode constructs in their programs. Draw a line to match each pseudocode statement to its use. Pseudocode statement: - FOR Counter ← 1 TO 10 - WHILE Total <…
Answer this question and get it marked →A programmer writes an algorithm to output the names of cities that start with the letter 'B'. The pseudocode contains errors. Cities ← ["Berlin", "Barcelona", "Paris", "Bogota",…
Answer this question and get it marked →Explain the difference between a variable and a constant in programming.
Answer this question and get it marked →A programmer writes an algorithm using a flowchart. The flowchart inputs a positive integer and outputs a result. [Flowchart: Start → INPUT Number → Total ← 0, Count ← 0 → WHILE…
Answer this question and get it marked →A programmer uses string operations in their program. The variable Quote has the value "Learning Never Exhausts The Mind" Show the output from each of the following statements. a…
Answer this question and get it marked →A programmer uses procedures in their programs. Explain how procedures and parameters are used in programming.
Answer this question and get it marked →A logic circuit uses three inputs: A, B and C. The output Z is defined by the Boolean expression: Z = (A NAND B) OR NOT(B XOR C) Draw the logic circuit for this expression.
Answer this question and get it marked →A database stores information about horses used for horse riding lessons. The database has one table called Horses. Code Name Breed Age Weight Colour --- --- --- --- --- --- H01…
Answer this question and get it marked →A company sells wood flooring. The flooring is sold in packs. Each pack covers 2.5 square metres. A program is needed to calculate the number of packs required to cover a room and…
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