The outputs of four registers, A, B, C, D, H, L are connected through 8:1 line
multiplexer to the input of a fifth register, X. Each register is 16 bits long. The
required transfers are dictated by four timing variables, T0 through T3 as follows:
T0 : X←A
T1 : X←B
T2 : X←C
T3 : X←D
The timing variables are mutually exclusive, which means that only one variable is
equal to 1 at any given time, while the others are equal to 0. Draw a block diagram
showing the hardware implementation of the register transfers. Include the
connections necessary from the four timing variables to the selection inputs of the
multiplexers and to the load input of register X
1
Expert's answer
2021-09-23T03:04:52-0400
The truth table for the outputs:
Use the “sum of product” technique to get the logic expressions for the selection lines
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