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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 16 × 16
 32 × 8
 256 × 1
 64 × 4

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

22n
2n
2n
2n-1

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Digital Electronics
A half adder has

 2 inputs and 2 output
 1 input and 1 output
 1 input and 2 outputs
 2 inputs and 1 outputs

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Digital Electronics
1s Complement of 11001010 is

 00110101
 00110111
 11001001
 11001011

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Digital Electronics
2-out-of-5 code is

 self-complementing code
 alphanumeric code
 non-weighted code
 weighted code

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Digital Electronics
Which of the following is 2’s complement of +12?

 01110011
 00001100
 00001000
 00000011

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