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Digital Electronics

Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n-1
2n
22n
2n

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Digital Electronics
The 7-bit Hamming code is used to transmit

 7 data bits
 3 data bits
 no data bits
 4 data bits

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Digital Electronics
What is the 2’s complement of 10110000?

 01010000
 10110000
 01001111
 10001110

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Digital Electronics
The NAND gate can function as a NOT gate if

 inputs are left open
 one input is set to 1
 one input is set to 0
 all inputs are connected together

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Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 none of these.
 5 parity bits
 15 parity bits

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

 AND
 X-NOR
 NOR
 NAND

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