# 07 - Statement to Diagram Practice

1. What is the boolean expression for this NOT gate? Y = A

NOT Y = Y

A = Y

Y = NOT A

2. What is the boolean expression for this AND gate? Y AND A

Y = A AND B

A AND B

Y = A OR B

3. What is the boolean expression for this OR gate? NOT Y = AB

Y = A OR B

A OR B = A

Y = A AND B

4. Write the boolean expression for this circuit - - None of the above

O = NOT (A AND B)

O = A AND B NOT

O = (A OR B) NOT

5. Write the boolean expression for this circuit - - - O = NOT A AND NOT B

O = A NOT B NOT B

O = NOT (A OR B)

None of the above

6. Write the boolean expression for this circuit - O = NOT B AND NOT A

None of the above

O = (NOT A) AND B

O = NOT A OR NOT AND B It has one output S

It has two outputs S and C

It has for inputs, A, B, S and C

It has three inputs A, B, C

8. What is the boolean expression for S? S = A OR B NOT B

S = A AND B NOT E

None of the answers here are correct

S = (A OR B) AND (NOT E) AND C

9. What would the boolean expression be for the output C? C = A AND C

C = S AND B

C = A AND B

A = A AND B

10. Write the boolean expression for this particular logic diagram (note that you can use brackets to denote an 'AND')
`Don't forget that a + is an OR gate and a . (or brackets) is an AND gate. ` A(BD) + C

(AB + C)D

A + C (D)

C(D) + A