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OCR AS Level Computer ScienceH046/01 Computing Principles MERGED QUESTION PAPER AND MARK SCHEME FOR MAY 2024 $10.99   Add to cart
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OCR AS Level Computer ScienceH046/01 Computing Principles MERGED QUESTION PAPER AND MARK SCHEME FOR MAY 2024
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OCR AS Level Computer ScienceH046/01 Computing Principles MERGED QUESTION PAPER AND MARK SCHEME FOR MAY 2024

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  • November 8, 2024
  • 32
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ocr as level computer scienceh04601 computing pri

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  • Graduation in computer science
  • Graduation in computer science

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Tuesday 14 May 2024 – Afternoon
AS Level Computer Science
H046/01 Computing Principles
Time allowed: 1 hour 15 minutes




Turn over

, 2
Answer all the questions.

1 Here is a diagram of a computer system.

Control Bus

A

Address Bus




B D
ALU
RAM
C CIR
+1 E
Control Unit CPU


Identify each of the labelled components in this computer system.


A


B


C


D


E

[5]




© OCR 2024

, 3
2* Most modern computers are designed using Von Neumann Architecture. However, in some
cases Harvard Architecture may be preferred.

Discuss the difference between Von Neumann Architecture and Harvard Architecture.

You should refer to the following in your answer:

• the different approaches each architecture takes to storing instructions and data
• the benefits of using a Von Neumann Architecture approach
• the benefits of using a Harvard Architecture approach. [9]

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© OCR 2024 Turn over

, 4

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© OCR 2024

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