ETRO1213 - Combinational Logic

What value is input B, if output Y is high when both input A and input C are high?

• Low (0)

• High (1)

• High impedance

• Short-circuit

Input A is low, input B is high and output Y is low. What value is input C?

• Low (0)

• High (1)

• High impedance

• Short-circuit

What is the value of input A when input B is low and output X is low?

• Low (0)

• High (1)

• High impedance

• Short-circuit

Inputs A, B, C and D are all low. What is the value of output E?

• Low (0)

• High (1)

• High impedance

• Short-circuit

What value is at output Y, If input A, input B and input C are all low?

• Low (0)

• High (1)

• High impedance

• Short-circuit

Input A is high, input B is low and input C is high. What is the value at D?

• Low (0)

• High (1)

• High impedance

• Short-circuit

Input A is high and input B is low. What is the value at output Q?

• Low (0)

• High (1)

• High impedance

• Short-circuit

What logic operation is performed by this circuit?

• OR

• XOR

• AND

• XNOR

What logic operation is performed by this circuit?

• AND

• NAND

• OR

• NOR

What logic operation is performed by this circuit?

• AND

• NAND

• OR

• XOR