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Digital Electronics

Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 1
 3
 2
 4

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively
 25, 9 and 57 respectively

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Digital Electronics
Positive integers must be represented by

 unsigned number
 None of these
 Both A and B
 signed numbers

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Digital Electronics
The parity of the binary number 11011001 is

 odd
 same as the number of zeros
 not known
 even

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

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

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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?

 NOT
 AND
 OR
 X-OR

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