The bits in the control register of the FIFO shown in Fig. 11-9 are REF = 0011. Give the sequence of internal operations when an item is deleted from the FIFO and then a new item is inserted.

Fig. 11-9

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Data input Insert Input ready Master clear R1 4-bit register K Clock S F₁ F₁ R2 4-bit register Clock S F₂ R F₁₂ R3 4-bit register Clock S F3 T R F₁ R4 4-bit register Clock S F₁ R F4 Data output Output ready Delete