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Digital Electronics

Digital Electronics
In Boolean algebra A.A is equal to

 A
 A²
 2A
 1

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Digital Electronics
How many stable state/states present in flip-flop ?

 3
 2
 1
 4

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 X-OR
 NOT
 AND
 OR

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 NOR gate
 X-NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
A number system with radix 2 is known as

 Binary
 Decimal
 Octal
 Hexadecimal

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Digital Electronics
If clock time period is 1ms, what is its frequency

 1 MHz
None of these
 1 kHz
 1 mHz

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