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Digital Electronics

Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 00100100
 00110110
 01100011

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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?

 NOT
 OR
 AND
 X-OR

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 12
 9
 6
 10

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

 X-OR
 NAND
 OR
 NOR

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Digital Electronics
Why decoder is used in the digital electronics ?

 It is used to separate address bus and data bus
 To convert non coded information into coded form
 To convert coded information into non coded form
None of these

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 11011110
 11011101
 10100010
 01011101

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