6/27/25, 11:55 AM AQA GCSE Computer Science Paper 2 2025 UPDATE Verified Questions And Answers | With 100% Correct Answers graded A+ …
AQA GCSE Computer Science Paper 2 2025
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100% Correct Answers graded A+ Guaranteed
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Terms in this set (65)
a process for reducing the number of bits needed to
data compression
represent data
system software designed to provide a platform for other software
application software allows the user to perform a specific job or task
Arithmetic and Logic Unit - does all mathematical
ALU
calculations and makes all logical decisions
circuitry that directs and coordinates operations within
control unit
a processor
register quickly accessible location available to CPU
a communication system that transfers data between
bus components inside a computer, or between
computers
how many instructions the CPU can process each
clock speed
second
synchronises the internal operations of the CPU with
clock
other system components
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, 6/27/25, 11:55 AM AQA GCSE Computer Science Paper 2 2025 UPDATE Verified Questions And Answers | With 100% Correct Answers graded A+ …
directly executes instructions written in a
interpreter
programming language
translates code in a high-level language to machine
compiler
instructions
translates an assembly-language program into
assembler
machine code
stores temporary data - plays a large part of the
main memory
computer's performance
secondary storage stores permanent data
pixel the smallest element in an electronic image
size of bitmap image width × height
image file size (bits) width × height × colour depth
image file size (bytes) (width × height × colour depth) ÷ 8
the number of samples taken per second when sound
sampling rate
is recorded (Hz)
sound file size rate × resolution × time
sample measure of amplitude at a point in time
a high-capacity storage medium that is read by a laser
light.
✰ rotates at high speed
✰ laser head moves across radius of disk
optical disks
✰ laser shines onto disk
✰ tiny indentations reflect light differently
✰ reflected light interpreted into 1s and 0s
✰ data stored on single spiral track
✰ microphone detects sound wave
✰ wave converted to analogue signal
sound ✰ wave height measured
✰ sampling takes place at regular intervals
✰ stored as binary values
https://quizlet.com/1057243527/aqa-gcse-computer-science-paper-2-2025-update-verified-questions-and-answers-with-100-correct-answers-graded-a… 2/8
AQA GCSE Computer Science Paper 2 2025
UPDATE Verified Questions And Answers | With
100% Correct Answers graded A+ Guaranteed
Success!!
Save
Terms in this set (65)
a process for reducing the number of bits needed to
data compression
represent data
system software designed to provide a platform for other software
application software allows the user to perform a specific job or task
Arithmetic and Logic Unit - does all mathematical
ALU
calculations and makes all logical decisions
circuitry that directs and coordinates operations within
control unit
a processor
register quickly accessible location available to CPU
a communication system that transfers data between
bus components inside a computer, or between
computers
how many instructions the CPU can process each
clock speed
second
synchronises the internal operations of the CPU with
clock
other system components
https://quizlet.com/1057243527/aqa-gcse-computer-science-paper-2-2025-update-verified-questions-and-answers-with-100-correct-answers-graded-a… 1/8
, 6/27/25, 11:55 AM AQA GCSE Computer Science Paper 2 2025 UPDATE Verified Questions And Answers | With 100% Correct Answers graded A+ …
directly executes instructions written in a
interpreter
programming language
translates code in a high-level language to machine
compiler
instructions
translates an assembly-language program into
assembler
machine code
stores temporary data - plays a large part of the
main memory
computer's performance
secondary storage stores permanent data
pixel the smallest element in an electronic image
size of bitmap image width × height
image file size (bits) width × height × colour depth
image file size (bytes) (width × height × colour depth) ÷ 8
the number of samples taken per second when sound
sampling rate
is recorded (Hz)
sound file size rate × resolution × time
sample measure of amplitude at a point in time
a high-capacity storage medium that is read by a laser
light.
✰ rotates at high speed
✰ laser head moves across radius of disk
optical disks
✰ laser shines onto disk
✰ tiny indentations reflect light differently
✰ reflected light interpreted into 1s and 0s
✰ data stored on single spiral track
✰ microphone detects sound wave
✰ wave converted to analogue signal
sound ✰ wave height measured
✰ sampling takes place at regular intervals
✰ stored as binary values
https://quizlet.com/1057243527/aqa-gcse-computer-science-paper-2-2025-update-verified-questions-and-answers-with-100-correct-answers-graded-a… 2/8
