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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 3
 4
 2

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Digital Electronics
A combinational circuit can be designed using only

 NOR gates
 OR gates
 OR and X-NOR gates
 AND gates

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 X-OR
 OR
 AND
 NOT

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code encoder
 coder
 code converter
 code decoder

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 X-NOR gate
 AND gate
 OR gate
 X-OR gate

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 5 × 32
 32 × 10
 10 × 32
 32 × 32

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