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Digital Electronics

Digital Electronics
The main equation for a D flip flop is

 Q=0
 Q=D'
 Q=D
 Q=1

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

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

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-NOR
 X-OR
 NAND
 NOR

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Digital Electronics
(1D)16 in BCD 8421 code is

 00100100
 00011111
 00101001
 00011101

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Digital Electronics
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

Tristate output operation
Input operation
All of these
Bi-directional I/O pin access

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

 1
 0
 None
 Both A and B

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