Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Monday 12 May 2025
Paper
Afternoon (Time: 1 hour 30 minutes)
reference 1CP2/01
Computer Science
PAPER 1:Principles of Computer Science
You do not need any other materials. Total Marks
Instructions
.
Advice
••• Read each question carefully before you start to answer
it.Try to answer every question.Check your answers if you have time at
the end.
Turn over
P78198A
©2025 Pearson Education Ltd. *P78198A0124*
Y:1/1/1/1/1/1/1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
BLANK PAGE
2
, 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
answer, put a line through the boxand then mark your new answer with a cross
.
DO NOT WRITE IN THIS AREA
1 Data
(a) Binary patterns consist of groups of bits.
(i) Identify the lar
gest unit of measurement.
(1)
A Gibibyte
B Kibibyte
C Mebibyte
D Nibble
(ii) State the number of unique values that can be represented with 7 bits.
(1)
DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(iii) The denary ASCII code Dfor
is 68.
Give the denary ASCII codeG.for
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(b) Hexadecimal is used to represent memory addresses.
(i) Givetwocharacteristics of hexadecimal notation.
(2)
DO NOT WRITE IN THIS AREA
1 ...............................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2 ...............................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
3
Turn over
, *P78198A0224*
*P78198A0324*
4
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Monday 12 May 2025
Paper
Afternoon (Time: 1 hour 30 minutes)
reference 1CP2/01
Computer Science
PAPER 1:Principles of Computer Science
You do not need any other materials. Total Marks
Instructions
.
Advice
••• Read each question carefully before you start to answer
it.Try to answer every question.Check your answers if you have time at
the end.
Turn over
P78198A
©2025 Pearson Education Ltd. *P78198A0124*
Y:1/1/1/1/1/1/1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
BLANK PAGE
2
, 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
answer, put a line through the boxand then mark your new answer with a cross
.
DO NOT WRITE IN THIS AREA
1 Data
(a) Binary patterns consist of groups of bits.
(i) Identify the lar
gest unit of measurement.
(1)
A Gibibyte
B Kibibyte
C Mebibyte
D Nibble
(ii) State the number of unique values that can be represented with 7 bits.
(1)
DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(iii) The denary ASCII code Dfor
is 68.
Give the denary ASCII codeG.for
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(b) Hexadecimal is used to represent memory addresses.
(i) Givetwocharacteristics of hexadecimal notation.
(2)
DO NOT WRITE IN THIS AREA
1 ...............................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2 ...............................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
3
Turn over
, *P78198A0224*
*P78198A0324*
4
