• Cadenti
  logic family
  medium scale integration
  metal oxide semiconductor
  ac register
  accumulator logic
  adder circuit
  basic computer design
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  logic adder circuits
  logic gates
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  data types
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Shifter

A combinational circuit shifter can be constructed with multiplexers. The 4-bit shifter has four data inputs, Ao through A3, and four data outputs, Ho through H3. There are two serial inputs, one for shift left

(IL) and the other for shift right (IL). When the selection input S = 0, the input data are shifted right (down in the diagram). When S = 1, the input data are shifted left (up in the diagram).

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