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Digital Electronics

Digital Electronics
In flip flop clock is present but in latch clock is

  may be present/absent.
  absent always.
  none.
  present always.

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Digital Electronics
8421 code is

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

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  10.
  6.
 24.
 12.

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Digital Electronics
The NOR-NOR realization is equivalent to

 OR-AND realization
 NOT-AND realization
 AND-OR realization
 OR-NOT realization

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 XOR, NOR, NAND.
 NOR, NAND.
 OR, NOT, AND.
 NOR, NAND, XNOR.

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Digital Electronics
A single flip-flop can be cleared (reset) to

 Both A and B
 1
 0
 None

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