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Digital Electronics

Digital Electronics
Which of the following is 1’s complement representation of +57

 01000110
 00000001
 00111001
 11000110

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Digital Electronics
The NOR-NOR realization is equivalent to

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

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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
A bubbled NAND gate is equivalent to a

 OR gate
 NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an OR or a NAND
 a NAND or a NOR
 an X-OR or an X-NOR
 an AND or an X-NOR

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Digital Electronics
The binary code of (21.125)10 is

10101.001
10101.01
10100.001
10100.111

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