hw03_SLN

hw03_SLN - ECE 211 HW 3 SOLUTIONS p 1 of 5...

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ECE 211 HW 3 SOLUTIONS p 1 of 5 //home/vdimitrov/5244/a9f3d0373c0136fec964073c5c32b76edd5e5690.doc HW Set 3 – SOLUTIONS Review Questions (We will not present these, I will not grade them, but be sure you know the answers .) 1. Define the term “assertion level of a statement.” The assertion level of a statement is the physical value (L or H) that appears when the statement is True . 2. What determines the assertion level of a statement? The assertion level is determined by the hardware of the device associated with the statement. 3. State the definition of Positive Logic Notation. 0 always corresponds to L, 1 always corresponds to H; all displayed statements are active-High. HW Problems 1. Determine two Positive Logic symbols for the logic gate whose input-output table of operation is given below. v1 v2 vo L L H L H L H L L H H L Solution: 1. Obtain the truth table (replace L with 0, H with 1): A B F 0 0 1 0 1 0 1 0 0 1 1 0 2. Write the logic expression for the table: F = ( A + B )’ 3. Represent the expression using a logic symbol: 4. Obtain the DeMorgan equivalent symbol:

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This note was uploaded on 04/17/2008 for the course ECE 211 taught by Professor Nestor during the Fall '07 term at Lafayette.

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hw03_SLN - ECE 211 HW 3 SOLUTIONS p 1 of 5...

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