Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 19 May 2023
Afternoon (Time: 1 hour 30 minutes) Paper
reference 1CP2/01
Computer Science ⬟ ⬟
PAPER 1: Principles of Computer Science
You do not need any other materials. Total Marks
Pearson Edexcel Level 1/Level 2 GCSE (9–1) Computer Science PAPER 1:Principles
of Computer Science Question Paper May 2023
Instructions
•• Use black ink or ball‑point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
• You are not allowed to use a calculator.
Information
•• The total mark for this paper is 75.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
• your answers if you have time at the end.
Check
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P72595A
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N:1/1/1/1/1/
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
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answer, put a line through the box and then mark your new answer with a cross .
1 Computers
(a) The CPU contains a number of components.
(i) Complete the table with the correct bus for each role.
(3)
Bus Role
Carries a read signal to
main memory.
Carries the memory location of a
piece of data.
Carries an instruction from main
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memory to the CPU.
(ii) Identify the component inside the CPU that stores data.
(1)
A Arithmetic logic unit
B Clock
C Main memory
D Register
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, (b) Algorithms can be written in a high‑level language.
(i) State what high‑level code is translated to.
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(1)
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(ii) State two methods of source code translation.
(2)
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(c) Identify the feature of an optical disc that allows data to be read.
(1)
A It is magnetic
B It is portable
C It is reflective
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D It is volatile
(d) Define the term ‘embedded system’.
(1)
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