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Digital Electronics

Digital Electronics
The NAND gate is AND gate followed by ___________.

NOT gate
AND gate
None of these
OR gate

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Digital Electronics
Switching circuits are

 hybrid circuits
 digital circuits
 analog circuits
 none of these

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +(2n-1-1),-2n-1
 +2n-1,-(2n-1-1)
 +(2n-1-1),-(2n-1-1)
 None of these

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Digital Electronics
Which of the following codes is known as the 8421 code?

 ASCII code
 XS-3 code
 Gray code
 BCD code

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 AND-AND
 XOR-NAND
 NOR-OR
 AND-OR

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NAND
 OR
 X-OR
 NOR

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