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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 57316379
 48225469
 58326479
 47215369

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Digital Electronics
A demultiplexer is a

 1-to-N device
 1-to-1 device
 N-to-N device
 N-to-1 device

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 8 bits
 10 bits
 12 bits
 16 bits

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 47,877
 48,877
 none
 48,777

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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?

 OR
 AND
 NOT
 X-OR

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 BCD code
 binary code
 XS-3 code
 Gray code

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