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प्रश्न
Verify if (A + A')' is a Tautology, Contradiction or a Contingency.
उत्तर
Contradiction or Fallacy
(A + A')'
If A = 1
(1 + 1')' = (1 + 0)' = (1)' = 0
If A = 0
(0 + 0')' = (0 + 1)' = (1)' = 0
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संबंधित प्रश्न
Which one of the following is a fallacy?
A shopping mall allows customers to shop using the cash or credit card of any nationalised bank. In awards bonus points to their customers on the basis of criteria given below:
- The customer is an employee of the shopping mall and makes the payment using a credit card.
OR - The customer shops items which carry bonus points and makes the payment using a credit card with a shopping amount of less than ₹10,000.
OR - The customer is not an employee of the shopping mall and makes the payment not through a credit card in cash for the shopping amount above ₹10,000/-
The inputs are:
| INPUTS | |
| C | Payment through a credit card. |
| A | Shopping amount in above ₹10,000 |
| E | The customer is an employee of the shopping mall. |
| I | Item carries a bonus point. |
(In all the above cases, 1 indicates yes and 0 indicates no.)
Output: X[1 indicates bonus point awarded, 0 indicates bonus point not awarded for all cases]
Draw the truth table for the inputs and outputs given above and write the POS expression for X(C, A, F, I).
Verify the following expression by using the truth table:
(A ☉ B)' = A ⊕ B
From the given logic diagram:
- Derive Boolean expression and draw the truth table for the derived expression
- If A=1, B=0 and C=1, then find the value of X.
Verify if the following proposition is valid using the truth table:
(X ∧ Y) =>Z = (Y => Z) ∧ (X => Y).
