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Logic Gates

Draw a diagra...

Question

Draw a diagram of show how NAND gates can be combined to obtain an OR gate.(Truth table is not required).

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Solution

OR gate can be formed using NAND gate as per the above circuit.

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Similar questions

Q. With the help of a diagram, show how you can use several NAND gates to obtain an OR gate.

Q. Using truth table of AND gate and NOT gate , show that NAND gate is an AND gate followed by a NOT gate. Hence write the truth table of NAND gate. Why are NAND gates called 'Universal Gates' ?

Q. How will you obtain OR, AND gates from the NAND and NOR gates? Write symbol, Boolean formula and truth table.

Q. How many NAND gates are required to form an AND gate?

Q. An AND gate can be prepared by repetitive use of
(a) NOT gate
(b) OR gate
(c) NAND gate
(d) NOR gate.

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