Logic Circuits III - SS2 ICT Past Questions and Answers - page 1
What is the output of an AND gate when both input A and input B are 1?
0
1
2
-1
Which gate outputs 1 when at least one of its inputs is 1?
AND gate
NOT gate
OR gate
XOR gate
In a NOT gate, what is the output when the input is 0?
0
1
-1
Undefined
What is the equation for an OR gate with inputs A and B?
Output = A AND B
Output = A OR B
Output = NOT A
Output = A XOR B
How many possible input combinations are there for a 3-input AND gate?
4
6
8
3
Which gate is represented by the truth table:
A B Output
0 0 1
0 1 0
AND gate
OR gate
NOT gate
XOR gate
In a NOT gate, what is the output when the input is 1?
0
1
-1
Undefined
What is the output of an OR gate when both input A and input B are 0?
0
1
2
-1
Which gate is also known as an inverter?
AND gate
NOT gate
OR gate
XOR gate
What is the equation for a NOT gate?
Output = A AND B
Output = A OR B
Output = NOT A
Output = A XOR B