Logic gates and Boolean logic

Question 1 of 10

How many rows (input combinations) does a truth table for a two-input gate have?

Question 2 of 10

A gate whose output is 1 only when both inputs are 1 is the ___ gate.

Question 3 of 10

A lamp that comes on only when switch A AND switch B are both on can be modelled with

Question 4 of 10

A security alarm should sound if a door is opened AND the alarm is switched on. Name the gate, give the inputs and complete the truth table.

Question 5 of 10

A NOR gate gives the opposite output of

Question 6 of 10

A NOT gate

Question 7 of 10

A NOT gate has only one input.

Question 8 of 10

Work out the output of the expression NOT(A OR B) for all four combinations of A and B.

Question 9 of 10

An AND gate gives an output of 1 only when

Question 10 of 10

Logic gates are built into computers using