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Digital Electronics

Digital Electronics
16’s complement of BABA is?

 4546
 4544
 4446
 4445

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 4
 1
 0
 2

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Digital Electronics
ASCII and EBCDIC codes are

 error correcting codes
 numeric codes
 alphanumeric codes
 BCD codes

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Digital Electronics
Which of the following operations is commutative but not associative?

 AND
 X-OR
 OR
 NAND

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 OR
 NAND
 X-OR
 NOR

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1110 0010 1101
 0101 1111 0010 1100
 0100 1111 0010 1101

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