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Digital Electronics

Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 4
 3
 1

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an AND or a NOR
 a NAND or an X-OR
 an OR or an X-NOR
 an OR or an X-OR

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

  (0111 0100 1000).
 (1011 0111 1000).
  (1000 1011 0111).
 (1000 0111 1110).

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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
 NOR
 OR

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 1001 1111 1000
 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 0111 1111 0011

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Digital Electronics
An n variable K-map can have

 n2 cells
 2n cells
  nn cells
 n2n cells

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