Computer Science 2210/22 May/June 2018 past paper

Topics in this paper

Which syllabus chapters 2210/22 May/June 2018 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 2210/22 May/June 2018

1. Question 1Programming · 20 marks

   (a) All variables, constants and other identifiers should have meaningful names. (i) State the name, the data type and the use of two variables that you have used in Task 2. Variable 1 name Data type Use Variable 2 name …

2. Question 2Programming · 8 marks

   (a) Draw a flowchart for an algorithm to input numbers. Reject any numbers that are negative and count how many numbers are positive. When the number zero is input, the process ends and the count of positive numbers is output. …

3. Question 3Programming · 6 marks

   This pseudocode algorithm inputs two non-zero numbers and a sign, and then performs the calculation shown by the sign. An input of zero for the first number terminates the process. INPUT Number1, Number2, Sign WHILE Number1 <> 0 IF Sign …

4. Question 4Algorithm Design and Problem-Solving · 6 marks

   A programmer has written a routine to store the name, email address and password of a contributor to a website’s discussion group. (a) The programmer has chosen to verify the name, email address and password. Explain why verification was chosen …

5. Question 5Algorithm Design and Problem-Solving · 3 marks

   A program checks that the weight of a basket of fruit is over 1.00 kilograms and under 1.10 kilograms. Weights are recorded to an accuracy of two decimal places and any weight not in this form has already been rejected. …

6. Question 6Databases · 7 marks

   A database table, TREES, is used to keep a record of the trees in a park. Each tree is given a unique number and is examined to see if it is at risk of dying. There are over 900 trees; …

Other Computer Science papers from May/June 2018

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