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Digital Electronics

Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 9
 7
 6
 8

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

128
32
64
6

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 AND gates
 NAND gates
 NOR gates

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Digital Electronics
16’s complement of BABA is?

 4544
 4546
 4445
 4446

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Digital Electronics
A demultiplexer is a

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

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

 NOR
 X-OR
 NAND
 OR

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