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What is a Boolean OR gate?
The Boolean logic gates AND, OR and NOT comprise transistors, which are on/off switches wired together. Gates have one or two inputs but only one output, and they are wired in patterns that make up electronic circuits. In their normal state, transistors can be open (not conductive) or closed (conductive).
What is the Boolean expression of AND gate?
An AND gate can be used on a gate with two inputs. AND tells us that both inputs have to be 1 in order for the output to be 1. The Boolean expression is written as Q = A AND B.
What does an AND gate do?
The AND gate is a basic digital logic gate that implements logical conjunction (∧) from mathematical logic – it behaves according to the truth table above. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If none or not all inputs to the AND gate are HIGH, LOW output results.
How many Boolean gates are there?
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.
How does OR gate work?
An OR gate is a logic gate that performs logical OR operation. A logical OR operation has a high output (1) if one or both the inputs to the gate are high (1). If neither input is high, a low output (0) results. Just like an AND gate, an OR gate may have any number of input probes but only one output probe.
What is the truth table for AND gate?
Truth tables A truth table is a good way to show the function of a logic gate. It shows the output states for every possible combination of input states. The symbols 0 (false) and 1 (true) are usually used in truth tables. The example truth table shows the inputs and output of an AND gate.
WHY AND gate is called coincidence gate?
Coincidence means an occurrence of two same things at the same time and a detector which detects it is called a coincidence detector. It gives high output when both the inputs are high/same or they coincide otherwise it remains low. Hence, serving as a coincidence detector.