IGCSE Computer Science (0984) — May–June 2024, Paper 21
10 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 this sentence. A validation check to make sure that an email address contains an '@' sign is a A range check. B visual check. C presence check. D…
Answer this question and get it marked →Four descriptions and five programming concepts are shown. Draw one line to link each description to the most appropriate programming concept. Descriptions: - A subroutine that…
Answer this question and get it marked →A programmer is writing a program. The programmer uses two different data types: Integer and Real. Describe the difference between an Integer and a Real data type. Give one…
Answer this question and get it marked →A pseudocode program is shown below with four errors. 01 DECLARE Limit : INTEGER 02 DECLARE Value : INTEGER 03 DECLARE Total : INTEGER 04 DECLARE Loop : STRING 05 Total ← 0 06…
Answer this question and get it marked →A programmer needs to write a program that inputs a number from 1 to 4. If the number is 1, 2, 3 or 4, the program outputs the number. If the number is not in the range 1 to 4,…
Answer this question and get it marked →The flowchart represents an algorithm. The flowchart (described in prose): START → INPUT Limit → Count ← 1 → loop: INPUT Numbers[Count] → Count ← Count + 1 → IS Count Limit? If…
Answer this question and get it marked →Outline why it is useful to store data in a file.
Answer this question and get it marked →Consider the logic expression: Z = (R OR NOT T) XOR (NOT S AND T) Draw a logic circuit for this logic expression. Each logic gate must have a maximum of two inputs. Do not…
Answer this question and get it marked →A database table called SoftDrinks stores details of the soft drinks sold by a small shop. Field Example data ------- -------------- Name Cola Supplier Cambridge Beverages…
Answer this question and get it marked →The one-dimensional (1D) array Clubs[] is used to store the names of 12 cricket clubs in a local sports league. The two-dimensional (2D) array Statistics[] is used to store, for…
Answer this question and get it marked →