2025 OCR AS Level Computer Science H046/02 Algorithms and problem solving
Combined Question Paper & Final Marking Scheme
Oxford Cambridge and RSA
Monday 19 May 2025 – Afternoon
AS Level Computer Science
H046/02 Algorithms and problem solving
Time allowed: 1 hour 15 minutes
Do not use:
• a calculator
* H 0 4 6 0 2 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink.
• Write your answer to each question in the space provided. If you need extra space use
the lined page at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 16 pages.
ADVICE
• Read each question carefully before you start your answer.
, © OCR 2025 [601/5030/0] OCR is an exempt Charity
DC (KS) 324952/8 Turn over
*9882595303*
, 2
1 A gym owner would like a program for members to be able to book gym classes. Each class can
have a maximum of 20 members.
Members will enter their membership ID and then the date and time of the class they want to
attend. Validation rules will check these details meet set rules. If they do not meet the validation
rules then an error message will be displayed. A confirmation message will be displayed if the
class is not full. A bleeping sound will play if the class is full.
(a) Identify two inputs and two outputs for the program.
Input 1 ..............................................................................................................................................
Input 2 ..............................................................................................................................................
Output 1 ...........................................................................................................................................
Output 2 ...........................................................................................................................................
[4]
(b) The programmer is identifying any possible reusable components in the program design.
Explain why the programmer should create reusable program components.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
......................................................................................................................................................[3]
© OCR 2025
, 3
BLANK PAGE
DO NOT WRITE ON THIS PAGE
© OCR 2025 Turn over
Combined Question Paper & Final Marking Scheme
Oxford Cambridge and RSA
Monday 19 May 2025 – Afternoon
AS Level Computer Science
H046/02 Algorithms and problem solving
Time allowed: 1 hour 15 minutes
Do not use:
• a calculator
* H 0 4 6 0 2 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink.
• Write your answer to each question in the space provided. If you need extra space use
the lined page at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 16 pages.
ADVICE
• Read each question carefully before you start your answer.
, © OCR 2025 [601/5030/0] OCR is an exempt Charity
DC (KS) 324952/8 Turn over
*9882595303*
, 2
1 A gym owner would like a program for members to be able to book gym classes. Each class can
have a maximum of 20 members.
Members will enter their membership ID and then the date and time of the class they want to
attend. Validation rules will check these details meet set rules. If they do not meet the validation
rules then an error message will be displayed. A confirmation message will be displayed if the
class is not full. A bleeping sound will play if the class is full.
(a) Identify two inputs and two outputs for the program.
Input 1 ..............................................................................................................................................
Input 2 ..............................................................................................................................................
Output 1 ...........................................................................................................................................
Output 2 ...........................................................................................................................................
[4]
(b) The programmer is identifying any possible reusable components in the program design.
Explain why the programmer should create reusable program components.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
......................................................................................................................................................[3]
© OCR 2025
, 3
BLANK PAGE
DO NOT WRITE ON THIS PAGE
© OCR 2025 Turn over
