ETRO1213 - Gates

Which of these statements is true about combinational logic circuits?

• They have at least 1 of each type of gate

• They have only 2 logic gates

• The result is a single output

• They require a code to operate them

Identify the 'AND' Gate

• A

• B

• C

• F

Identify the 'OR' Gate

• A

• C

• D

• G

Identify the 'NOT' Gate

• E

• A

• F

• C

Identify the 'NAND' Gate

• E

• A

• F

• C

Identify the 'NOR' Gate

• B

• C

• D

• E

Which gate produces a high if one or both the inputs to the gate are high?

• NOT

• NAND

• OR

• NOR

Which gate has the input opposite to the output?

• AND

• NAND

• XOR

• NOT

Which gate produces an output which is low only if all inputs are high?

• NAND

• NOT

• AND

• NOR

Which gate produces a high only if both the inputs are low?

• XOR

• NOR

• NAND

• NOT