Math Problem Statement

Construct the truth table of the Boolean function: f(x, y) = (x + y') * (xy + y')'

Solution

The image provided asks for constructing a truth table for the Boolean function:

f(x,y)=(x+y)(xy+y)f(x, y) = (x + y') \cdot (xy + y')'

Let's break down the steps required to fill in the truth table and evaluate f(x,y)f(x, y).

  1. Column for xx and yy: These are given as standard truth values for all possible combinations (0, 0), (0, 1), (1, 0), and (1, 1).

  2. yy': This is the complement of yy.

    • When y=0y = 0, y=1y' = 1.
    • When y=1y = 1, y=0y' = 0.
  3. x+yx + y': This is the logical OR of xx and yy'.

  4. xyxy: This is the logical AND of xx and yy.

  5. xy+yxy + y': Logical OR of the previous results (AND and yy').

  6. (xy+y)(xy + y')': The complement of the OR operation in the previous step.

  7. f(x,y)=(x+y)(xy+y)f(x, y) = (x + y') \cdot (xy + y')': The final AND operation between the two main terms.

Let's now complete the table:

xxyyyy'x+yx + y'xyxyxy+yxy + y'(xy+y)(xy + y')'f(x,y)f(x, y)
00110100
01000010
10110100
11011100

So, the final values of f(x,y)f(x, y) for all input combinations are 00 in every case.

Would you like more details or clarification on any of these steps?

Here are 5 related questions:

  1. What is the meaning of the complement operator ' in Boolean algebra?
  2. How do logical AND and OR operations work in Boolean expressions?
  3. Can this Boolean expression f(x,y)f(x, y) be simplified further?
  4. What would happen if we added a third variable, like zz, to the function?
  5. How can Boolean functions be represented using logic gates?

Tip: Boolean algebra is crucial in simplifying complex logical expressions, which can help in designing efficient digital circuits.

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Math Problem Analysis

Mathematical Concepts

Boolean Algebra
Truth Table
Logical Operators

Formulas

f(x, y) = (x + y') * (xy + y')'
Logical AND ( * ), OR ( + ), and NOT ( ' ) operations

Theorems

De Morgan's Law
Distributive Laws in Boolean Algebra

Suitable Grade Level

Grades 10-12