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What you need to know:-
What you need to know:-
Describe the characteristics of CPU architecture, including Von Neumann architectures.
Identify and explain the role of the components of the CPU in the fetch-decode-execute cycle.
Explain how performance is affected by the cache size, clock speed and number of cores.
Explain the difference between RISC and CISC types of processors
Describe the use and characteristics of input and output devices
Explain the functional characteristics of Random Access Memory (RAM), Read Only Memory (ROM), flash memory and cache memory.
Describe the characteristics of contemporary secondary storage technologies including magnetic, optical and solid state.
Explain the functional characteristics of contemporary secondary storage devices in terms of suitability, durability, portability and speed
Describe the relationship between data storage units, including bit, nybble, byte, kilobyte and additional prefix multipliers.
Describe data capacity and calculate data capacity requirements
Describe the characteristics and role of other hardware, including GPU, sound cards and motherboards.
Describe the use and give examples of embedded systems. Check out the notes on BBC Bitesize:
Revision
Check your understanding using the WJEC resource and questions
Check your understanding using the WJEC resource and questions
WJEC Blending Resources - These are interactive resources that will help with your knowledge and understanding. You could use these as revision for the topic
WJEC NOTES
WJEC NOTES
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