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Computer architecture , image - Coggle Diagram
Computer architecture
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FDE cycle
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Stages
Decode - When the computer has the program, the computer decodes it into binary ( 0s,1s)
Execute - Know the computer knows what to do, now it actually executes the program and does what the computer needed to do
Fetch - The computer looks through its memory and storage and finds a program suitable for what your computer is trying to solve
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CPU
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The CPU is measured in hertz as well but normally it is in gigahertz e.g. 3.5 GHz which is 3.5 billion instructions processed per second
It also controls the input and output e.g. the mouse and the keyboard for the input and the monitor and the speakers for the output.
Von Neumann architecture
Von Neumann architecture is a concept on how a computer should be made, it uses 'stored program' meaning the computers programming could be changed without physically rewiring the computer
registers
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Memory address register
holds the address of the current instruction that is to be fetched from memory, or the address in memory to which data is to be transferred
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memory address register-
holds the address of the current instruction that is to be fetched from memory, or the address in memory to which data is to be transferred
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