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12 cards from this deck
Stored-program architecture
John von Neumann in 1940s
Single shared memory for data & instructions
Single shared bus
Shared bus limits simultaneous access to data & instructions
Simplified design (cheaper & easier to implement)
Sequential (fetch instruction OR memory op, not both)
Separate memory spaces for data & instructions
Dual buses (separate for data & instructions)
Simultaneous access to data & instructions (faster)
Higher complexity & cost
Hybrid (combines Von Neumann & Harvard elements)
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