1
|
Which are the three basic gates?
|
AND, OR and
NOT
|
|
2
|
Which are the two logic levels of any gate?
|
Logic
level
OR
OR
|
|
3
|
What is meaning of Positive logic and Negative logic?
|
Positive
logic
Negative
logic
|
|
4
|
Explain the term : Logic circuit
|
Logic
circuit
|
|
5
|
Which gate is known as all or nothing gate? Why?
|
The
AND gate is known as all or nothing gate because the output is 1 if and only
if all its inputs are 1.
|
|
6
|
Which gate is known as any or all gate?
|
The OR gate is
known as any or all gate because the output is 1 even if one of its input is
1.
|
|
7
|
What is condition for high output of AND gate?
|
All inputs must
be high.
|
|
8
|
What is condition for high output of OR gate?
|
Any of one
input is high
|
|
9
|
Which gate is also known as inverter gate?
|
NOT gate
|
|
10
|
Which gate has only one input?
|
NOT gate
|
|
11
|
Which gate is known as universal gate? Why?
|
Universal
Gate
The NAND and
NOR gates are known as universal gate because any gates as well as complex
logic circuit can be realized by the NAND and NOR gates.
|
|
12
|
What is meaning of the AOI circuit?
|
AOI
circuit
A logic
circuit which use three gates AND, OR and INVERT is called as AOI circuit.
|
|
13
|
What is meaning of the AO circuit?
|
AO
circuit
A logic
circuit which use only two gates AND and OR is called as AO circuit.
|
|
14
|
What is bubble OR gate?
|
Bubble
OR gate
The OR gate
with inverter input is called as bubble OR gate.
|
|
15
|
Why the NAND gate is called as active low OR gate?
|
Active
low OR gate
The NAND gate
is called as active low OR gate because the output is at high state even if
any of its input is low.
|
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