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Digital Electronics

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

 00000001
 01000110
 00111001
 11000110

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-OR
 NAND
 X-NOR
 NOR

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Digital Electronics
Which of the following gate is a two-level logic gate

NAND gate
NOT gate
EXCLUSIVE OR gate
OR gate

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Digital Electronics
An 8-square is called

 a cube
 a quad
 a pair
 an octet

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Digital Electronics
A latch is ________ sensitive

 None
 level
 edge
 both level and edge

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Digital Electronics
Why encoder is used in the digital electronics ?

 To convert non coded information into coded form
 It is used to separate address bus and data bus
 To convert coded information into non coded form
None of these

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