WorksheetsSK1 CH10 - BASIC LOGIC GATE
Total questions: 10
Worksheet time: 5mins
What does a digital circuit deal with?
Analog signals
Digital signals
Continuous signals
Mechanical signals
What voltage level usually represents logic 1 in a digital circuit?
0V
3V
5V
10V
Which logic gate inverts its input?
AND
OR
NOT
NAND
What is the Boolean equation for an AND gate?
Y = A + B
Y = A · B
Y = A ⊕ B
Y = Ã
Which logic gate gives output 1 if one or more inputs are 1?
AND
OR
NOT
NOR
What is the output of an AND gate when A = 1 and B = 0?
0
1
Undefined
Depends on voltage
Which statement is TRUE about digital circuits?
They are less robust toward signal noise
They use continuous voltage levels
They provide good accuracy
They cannot use logic gates
In a NOT gate, if the input is 0, what is the output?
0
1
Undefined
Depends on circuit design
Which of the following truth tables represents an OR gate?
A B | Y
0 0 | 0
0 1 | 1
1 0 | 1
1 1 | 1
A B | Y
0 0 | 0
0 1 | 0
1 0 | 0
1 1 | 1
A | Y
0 | 1
1 | 0
If a circuit uses two NOT gates in series, what will be the final output for input
A
Ã
Always 0
Always 1
