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Digital Electronics

Digital Electronics
The 1’s complement of 11010111 is

 10101000
 10101000
 00101000
 11101000

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 AND
 OR
 NOR
 XOR

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

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

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 8, 16
 12, 8
 16, 8
 6, 16

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Digital Electronics
A Nibble is equal to ________ bit(s)

 8
 1
 2
 4

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When all input is LOW
 When any input is HIGH
 When any input is LOW

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