Question: Use Figure P5.25 as the building block: Design a 4-bit general-purpose register as follows: S So Function 0 0 0 1 1 0 1 1

Use Figure P5.25 as the building block: 

Design a 4-bit general-purpose register as follows: Function Si So Load external data 1 Rotate left; (Ao+-A3 , A¡ Ai-1

0 1 2 3 CLK. S1 So CLR

Design a 4-bit general-purpose register as follows: S So Function 0 0 0 1 1 0 1 1 Load external data Rotate left; (AoA3, Ai-Ai-1 for i = 1,2,3) Rotate right; (A3-Ao, AiAi+ 1 for i = 0,1,2) Increment

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