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The inverter, which returns the reverse of the input. The AND gate which returns a high output if and only if both inputs are high. The OR gate, which returns a high output if either or both inputs are high. The NAND and NOR gates return the opposite of their counterparts. They are basically the AND and OR gates with an inverter after them. The XOR gate is the exclusive OR gate; it returns a high output it either input is high, but not both. Every binary combination of outputs can be made from these operators. In fact, you don't even need all of them. The NAND and the NOR gate can both create every other gate.
X-----Not--------------- | AND----------------| | |------------------ --------- |_ |__________ ---------OR-------OUTPUT | AND-----------------| Y-----|-Not-------------
An AND gate
logic gates
No. BASIC was the brainchild of John G. Kemeny and Thomas E. Kurtz in 1964. Bill Gates' contribution, along with Paul Allen, was to develop a BASIC interpreter for the MITS Altair 8800 in 1975.
Usually NAND gates or NOR gates, as these are the universal gates from which all other gates, flipflops, registers, etc. can be built. - - - - - There are four basic building blocks: gates with more than one input: AND: output high if all inputs high OR: output high if any input high gates with one input: buffers: output high if input high; these are used at the ends of long wiring runs so following gates get clear signals--IOW, they're amplifiers inverters: output low if input high A NAND gate is an AND with an inverter follower, and a NOR is an OR with an inverter follower.
The inverter, which returns the reverse of the input. The AND gate which returns a high output if and only if both inputs are high. The OR gate, which returns a high output if either or both inputs are high. The NAND and NOR gates return the opposite of their counterparts. They are basically the AND and OR gates with an inverter after them. The XOR gate is the exclusive OR gate; it returns a high output it either input is high, but not both. Every binary combination of outputs can be made from these operators. In fact, you don't even need all of them. The NAND and the NOR gate can both create every other gate.
And,or,not
Its really helpful if you are constructing your circuit. With simplification, you have less values to deal it and a much easier circuit to work with. But for simplification you must get the same output as the one you started with.
Bill gates used the language BASIC for a computer programming language for Altair Basic.
universal gates are the ones from which we can design other gates also. for eg. NAND and NOR gates. they help in forming the uniformity in the circuits.
Since its input impedance is much higher than its output impedance it is also termed a "BUFFER" for this reason it is also used in digital circuits with basic gates...
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The two categories for logic gates are basic logic gates and universal gates. Gates are identified by their function and universal gates are identified as NAND gate or NOR gate.
X-----Not--------------- | AND----------------| | |------------------ --------- |_ |__________ ---------OR-------OUTPUT | AND-----------------| Y-----|-Not-------------
Nand and nor gates are called universal gates .they called so as since any logic function can be done with nand and nor gates
The combinational logic circuits are a type of logic circuits containing only logic gates (AND, OR, XOR, NOT, NAND, NOR) and its output only depends on the current input (do not have memory).