Basic two-input logic gates. AND gate: the output is 1 if all inputs are 1; otherwise, the output is 0. OR gate: the output is 1 if at least one input is 1; otherwise, the output is 0.
XOR gate
: the output is 0 if both inputs are same; otherwise, the output is 1.
Which gate will give an output of 1 when both its input is 1 OR both inputs is 0 but gives an output of 0 when any of its input is different from the other?
Exclusive-NOR Gate
Tutorial. Basically the “Exclusive-NOR” gate is a combination of the Exclusive-OR gate and the NOT gate but has a truth table similar to the standard NOR gate in that it has an output that is normally at logic level “1” and goes “LOW” to logic level “0” when ANY of its inputs are at logic level “1”.
Which logic gate gives output 1 only if both the inputs are 1?
XOR gate
– output is 1 if ONLY one input is 1.
Which gate has only 1 input?
A NOT gate
can only have one input and the output is the inverse of the input. A NOT gate is also called an inverter.
When both inputs of a logic gate are either 0 OR 1 The output is 0 otherwise output is 1 Name the logic gate?
The NOR gate
is a digital logic gate that implements logical NOR – it behaves according to the truth table to the right. A HIGH output (1) results if both the inputs to the gate are LOW (0); if one or both input is HIGH (1), a LOW output (0) results. NOR is the result of the negation of the OR operator.
What will be the output of NAND gate if both inputs are 1?
NAND gate – output is 1 if AT LEAST
one input is 0
. NOR gate – output is 1 if BOTH inputs are 0.
Can a logic gate have more than 2 inputs?
As with AND gates,
NAND gates
are made with more than two inputs. In such cases, the same general principle applies: the output will be “low” (0) if and only if all inputs are “high” (1). If any input is “low” (0), the output will go “high” (1).
What is the output of an OR gate if the inputs are 1 and 0?
The output of the circuit will be the opposite of the input. If 0 is input, then the output
is 1
. If 1 is input, then 0 is output. The Boolean expression is written as Q = NOT A.
Which gate produces a 0 if all its inputs are 1 and a 1 otherwise?
| 1. Logic diagrams and truth tables are equally powerful in expressing the processing of gates and circuits. A | 6. The output value of an OR gate when both inputs are 1 is 1. A | 7. The output of an OR gate when one input is 0 and one input is 1 is 0. B | 8. The output value of an XOR gate is 0 unless both inputs are 1. B |
|---|
Which is not a basic gate?
Answer:
NOR gate
is not the basic logic gate.
Can or gate have 3 inputs?
Like the AND gate, the OR function
can have any number of individual inputs
. However, commercial available OR gates are available in 2, 3, or 4 inputs types. Additional inputs will require gates to be cascaded together for example.
What are the 7 logic gates?
There are seven basic logic gates:
AND, OR, XOR, NOT, NAND, NOR, and XNOR
. The AND gate is so named because, if 0 is called “false” and 1 is called “true,” the gate acts in the same way as the logical “and” operator. The following illustration and table show the circuit symbol and logic combinations for an AND gate.
What is the symbol of NOT gate?
The standard NOT gate is given a symbol that is
shaped like a triangle with a circle at the end, pointing to the right
. This circle is known as an “invert bubble” and is used to represent the logical operation of the NOT function in the NOT, NAND and NOR symbols in their output.
Who invented logic gates?
Walther Bothe, inventor of the coincidence circuit, got part of the 1954 Nobel Prize in physics, for the first modern electronic AND gate in 1924.
Konrad Zuse
designed and built electromechanical logic gates for his computer Z1 (from 1935 to 1938).
Which is a universal logic gate?
A universal gate is a gate which can implement any Boolean function without need to use any other gate type.
The NAND and NOR gates
are universal gates. In practice, this is advantageous since NAND and NOR gates are economical and easier to fabricate and are the basic gates used in all IC digital logic families.
Is a circuit with only one output but can have multiple inputs?
1. A ____________ is a circuit with only one output but can have multiple inputs. Explanation:
A logic gate
is used to evaluate a Boolean expression. It can have multiple inputs but can have only one output.
