Computer Science 2210/22 May/June 2021 past paper

Topics in this paper

Which syllabus chapters 2210/22 May/June 2021 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 2210/22 May/June 2021

1. Question 1Scenario Question · 20 marks

   All variables, constants and other identifiers must have meaningful names. (a) Identify and give the data type and use of one array that you could have used for Task 1. Array Data type Use (b) Describe two validation checks that …

2. Question 2Algorithm Design and Problem-Solving · 8 marks

   (a) Write an algorithm in pseudocode to input 500 positive whole numbers. Each number input must be less than 1000. Find and output the largest number input, the smallest number input and the range (difference between the largest number and …

3. Question 3Algorithm Design and Problem-Solving · 6 marks

   (a) Draw the most appropriate flowchart symbol for each pseudocode statement. Pseudocode statement Flowchart symbol IF Number = 20 PRINT Number Number ← Number …

4. Question 4Databases · 7 marks

   This algorithm checks passwords. • Each password must be 8 or more characters in length; the predefined function Length returns the number of characters. • Each password is entered twice, and the two entries must match. • Either Accept or …

5. Question 5Databases · 4 marks

   A one-dimensional array dataArray[1:20] needs each element set to zero. (a) Write a pseudocode routine that sets each element to zero. Use the most suitable loop structure. (b) Explain why you chose this loop structure.

6. Question 6Databases · 5 marks

   A database table, PLANT, is used to keep a record of plants sold by a nursery. The table has these fields: • NAME – name of plant • FLOWER – whether the plant flowers (True) or not (False) • POSITION …

Other Computer Science papers from May/June 2021

• 2210/11 Computer systems
• 2210/12 Computer systems
• 2210/21 Algorithms, programming & logic