Contents
- 1 What is the input of the OR gate if the output is low?
- 2 What will happen if I insert an inverter at the output of AND gate?
- 3 What is 3-input AND gate?
- 4 Can or gate have 3 inputs?
- 5 How many different sets of input conditions will produce a low output from a five input AND gate?
- 6 When the inputs to a 3-input AND gate are 001 the output is 1?
- 7 When is a gate an odd but not an even gate?
- 8 What happens to the output of a two transistor gate?
What is the input of the OR gate if the output is low?
The OR Gate The Boolean Expression for a two input OR gate is X = A + B. The OR operation is shown with a plus sign (+) between the variables. Thus, the OR operation is written as X = A + B. The only time the output of an OR gate is low is when all the inputs are low.
What will happen if I insert an inverter at the output of AND gate?
A good inverter will keep the output voltage fairly stable over a range of input voltages and output loads. If the inverter has no output voltage regulation built-in, its output voltage will increase with an increase in the input voltage, and decrease with a decrease in the input voltage.
What would the output of an OR gate be if both inputs are false?
AND is a Boolean operation, an operation that takes values that are either “true” or “false”, and then outputs “true” or “false” based on a logical manipulation of those inputs. In logic gates, we consider 1 to be true and 0 to be false….AND gates.
| Input A | Input B | Output |
|---|---|---|
| False | False | False |
Does the AND gate inverts its input?
The Negative-AND Gate A Negative-AND gate functions the same as an AND gate with all its inputs inverted (connected through NOT gates). In keeping with standard gate symbol convention, these inverted inputs are signified by bubbles.
What is 3-input AND gate?
The M74HC4075 is an high speed CMOS TRIPLE 3-INPUT OR GATE fabricated with silicon gate C2MOS technology. The internal circuit is composed of 4 stages including buffer output, which enables high noise immunity and stable output.
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 will happen if output of an Inverter is shorted to its input?
Thus when an inverter output and input are shorted the stable voltage will be the point of intersection of the in-out and out-in characteristics as shown in above figure.
How many inputs signals can a gate have?
NOT gate accepts one input and generates a single output. A gate contains the one input that has two possibilities of the input state, either 0 or 1 to generate the single output.
How many different sets of input conditions will produce a low output from a five input AND gate?
How many different sets of input conditions will produce a HIGH output from a five-input OR gate? Sol. The total number of sets of input conditions are 25 = 32. The output is low only when all the inputs are low.
When the inputs to a 3-input AND gate are 001 the output is 1?
LOW. When the inputs to a 3-input OR gate are 001, the output is 1. An application requires a 3-input AND gate; however, all three of the inputs actually produce a LOW when the inputs are ON.
What happens to the gate when the input is open?
In a real AND gate, the result of an open input will depend on the actual circuit of the gate, which will be more complex than two transistors. For bipolar TTL logic, the input will source current, so will appear as a logic High if unconnected.
When does an ex-or gate give an output value?
In general, an Ex-OR gate will give an output value of logic “1” ONLY when there are an ODD number of 1’s on the inputs to the gate, if the two numbers are equal, the output is “0”. Then an Ex-OR function with more than two inputs is called an “odd function” or modulo-2-sum (Mod-2-SUM), not an Ex-OR. This description can be expanded to apply
When is a gate an odd but not an even gate?
If these two inputs, A and B are both at logic level “1” or both at logic level “0” the output is a “0” making the gate an “odd but not the even gate”. In other words, the output is “1” when there are an odd number of 1’s in the inputs.
What happens to the output of a two transistor gate?
For the simple two transistor gate shown iin your link, the output will be Low when either input is open – if a transistor has no base current, it will also have no collector current. In a real AND gate, the result of an open input will depend on the actual circuit of the gate, which will be more complex than two transistors.