IGCSE Computer Science (0478) — October–November 2024, Paper 23
12 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 show which of the following is used to validate data on input. [ ] A checksum [ ] B double entry check [ ] C type check [ ] D visual check
Answer this question and get it marked →Tick (✓) one box to show a method used to construct a solution to a problem. [ ] A abstraction [ ] B structure diagram [ ] C test data [ ] D variable
Answer this question and get it marked →Four logic gates and five logic gate symbols are shown. Draw one line to link each logic gate to its correct symbol. Not all logic gate symbols will be used. Logic gates: AND,…
Answer this question and get it marked →Complete the paragraph about databases. Use terms from the list. You may need to use a term more than once. Some of the terms in the list will not be used. List: fields, comments,…
Answer this question and get it marked →One stage of the program development life cycle is the analysis stage. Identify and describe two other stages of the program development life cycle. Stage ........ Description…
Answer this question and get it marked →An incomplete algorithm has been written in pseudocode to count the number of values stored in an array and to find their average. Values have been stored in the array starting at…
Answer this question and get it marked →A programmer is testing a program that requires a positive value between 1 and 100 inclusive to be entered. The range check in the program is to be tested. Identify three…
Answer this question and get it marked →A logic circuit is to be built to control the automatic opening of a window. The window W opens if the temperature T is too high, the heater H is off, and the air conditioning A…
Answer this question and get it marked →A flowchart checks that values stored in three variables are identical. If they are different, the highest value is stored in all three variables. Flowchart logic: START; IS A = B…
Answer this question and get it marked →An algorithm has been written in pseudocode to check that a password meets a set of rules. 01 OUTPUT "Please enter password " 02 INPUT Password 03 Accept ← TRUE 04 IF…
Answer this question and get it marked →Building materials are sold in bags. A new database table called BuildStock has been set up to store details about the materials for sale. Fields: MtNo, Name, InStock, WeightKg,…
Answer this question and get it marked →Members of a litter picking group complete a litter pick every month. Members' names are stored in the 1D array PickerName[]. Each member stores the weight of the litter they have…
Answer this question and get it marked →