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CS chapter 1 - Coggle Diagram
CS chapter 1
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Registers
what is a register
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Before any data can be processed, it must first be represented in a register
e.g. two numbers can be multiplied, but must each be in an individual register
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Processor architectures
Von neumann
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Works sequentially through instructions and stores instructions and data together in the same memory unit
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Buses
Buses are a collection of wires through which data is transmitted from one part of the computer to another
Data bus
The path along which data is transmitted, usually between the CPU and memory
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Address bus
When data is saved to / loaded from memory, the address of the memory location to be saved/loaded is also sent. This address is sent along the address bus.
simplex pathway as CPU only ever sends the memory address, never receives it.
Control Bus
The CU sends and recieves signals from all parts of the computer, ensuring all the processes occur at the correct time.
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