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# 1242 Fill in the Karnaugh map for the function defined by the truth table of Figure P12 42 and find the minimum expression for the function 12 45 Design a logic circuit which will produce the

12.42 Fill in the Karnaugh map for the function defined by the truth table of Figure P12.42, and find the minimum expression for the function.

12.45      Design a logic circuit which will produce the ones complement of an 8-bit signed binary number.

12.46      Construct the Karnaugh map for the logic function defined by the truth table of Figure P12.46, and find the minimum expression for the

function.

12.47      Modify the circuit for Problem 12.45 so that it produces the twos complement of the 8-bit signed binary input.

12.48      Find the minimum output expression for the circuit of Figure P12.48.

 A B C D F 0 0 0 0 1 0 0 0 1 0 0 0 1 0 1 0 0 1 1 0 0 1 0 0 0 0 1 0 1 0 0 1 1 0 0 0 1 1 1 1 1 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 1 0 1 1 0 0 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0

Figure P12.46

A B

Jun 18 2020 View more View Less