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Digital Electronics

Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 trigger
 inverter
 tri-state
 unstable state

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Digital Electronics
What is the 2’s complement of 10110000?

 01001111
 10001110
 10110000
 01010000

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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?

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

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH
 the input is LOW
None of these
 the input is HIGH and LOW

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Two inputs and three outputs
 Three inputs and two outputs
 Three inputs and one output
 Two inputs and two outputs

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0101 1111 0010 1100
 0100 1111 0010 1101
 0100 1111 0010 1100
 0100 1110 0010 1101

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