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Digital Electronics

Digital Electronics
In Boolean algebra A.A is equal to

 2A
 A
 1
 A²

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

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

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 8
 6
 4
 2

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Digital Electronics
AND operation is equivalant to

 Both B and C
 Union
 Division
 Intersection

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 essential prime implicants
 implicants
 selective prime implicants
 prime implicants

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 K flip-flop
 Shorted JK flip-flop
 SR flip-flop
 T flip-flop

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