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Reuben Cowell
19/05/2024
Computer Science
Computing Paper 1 full notes
Computing Paper 1 full notes
All of my notes for GCSE OCR Computing Paper 2
19/05/2024
758
Test your knowledge 💡💯
What is the primary role of the Program Counter (PC) within the CPU?
A
Holds the address of the next instruction to be executed.
B
Holds the instruction fetched from memory.
C
Stores the result of an instruction before transfer.
D
Contains the address of the current instruction in memory.
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Computing Paper 1 full notes
Reuben Cowell
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All of my notes for GCSE OCR Computing Paper 2
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Test your knowledge 💡💯
Which two major components are contained within the CPU (Central Processing Unit)?
A
Input devices and output devices.
B
Main memory and secondary storage.
C
Control unit and arithmetic logic unit (ALU).
D
Program counter and memory address register.
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Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.
4.9+
Average app rating
21 M
Pupils love Knowunity
#1
In education app charts in 17 countries
950 K+
Students have uploaded notes
Still not convinced? See what other students are saying...
iOS User
I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D
Philip, iOS User
The app is very simple and well designed. So far I have always found everything I was looking for :D
Lena, iOS user