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Ch4 資料路徑與控制（Datapath and Control）
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4. Single-Cycle、Multi-Cycle、Datapath
#CC-04-004
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Single-Cycle
Multi-Cycle
Datapath
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Which of the following comparisons between single-cycle and multi-cycle implementations are TRUE?
A
The clock cycle time in a single-cycle implementation is determined by the longest possible path in the logic.
B
A multi-cycle implementation allows functional units (like the ALU) to be reused within a single instruction execution.
C
Single-cycle implementations generally have a higher CPI than multi-cycle implementations.
D
The control unit of a single-cycle implementation is typically purely combinational, whereas a multi-cycle implementation requires a sequential state machine.
E
Floating-point operations are more efficiently handled in a multi-cycle datapath than a single-cycle datapath due to varying latency.
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完整推導請見《WH 資工筆記 · 計算機組織與結構》Ch4 資料路徑與控制（Datapath and Control）
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