Question

Determine the values of A, B, C and D that make the product term A'BC'D equal to 1.

Options

• A = 0, B = 1, C = 0, D = 1

• A = 0, B = 0, C = 0, D = 1

• A = 1, B = 1, C = 1, D = 1

• A = 0, B = 0, C = 1, D = 0

Answer 1

A = 0, B = 1, C = 0, D = 1

Explanation:

For A′BC′DA'BC'D to be equal to 1, every term must be 1.

So:

A′ = 1 ⇒ A = 0 

B = 1, C′ = 1 ⇒ C = 0, D = 1

Therefore, A = 0, B = 1, C = 0, D = 1