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Digital Electronics

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

 AND
 X-OR
 NOT
 OR

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

 coder
 code decoder
 code encoder
 code converter

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Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 50.65
 51.75
 51.65
 50.75

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Digital Electronics
The following code is not a BCD code.

 all of these
 8421 code
 Gray code
 XS-3 code

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

None of these
NOT gates
NAND gates
OR gates

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 15
 4
 7
 16

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