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Subjects
C
Cambridge
E
Pearson Edexcel
AQA
AQA
OCR
OCR
Competitive
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OCR · A Level · H446
Computer Science
Exam Guide
H446
CONQUER
Papers
01
Computer systems
Time
2h 30m
Marks
140
Weight
40%
02
Algorithms and programming
Time
2h 30m
Marks
140
Weight
40%
03
Programming project
Time
Centre schedule
Marks
70
Weight
20%
Specification · Version 3.0 (April 2026) ocr.org.uk/alevelco
Grade boundaries
H446 · A Level · All options
Weighted marks
June
Max
A*
A
B
C
D
E
Official source
2026
350
289
254
216
178
141
104
2025
350
291
256
218
180
142
105
2024
350
292
256
215
174
133
93
June
2026
2025
2024
Max
350
350
350
A*
289
291
292
A
254
256
256
B
216
218
215
C
178
180
174
D
141
142
133
E
104
105
93
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Computer Science
A Level · H446
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