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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 3
 0 and 4
 1 and 4

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 0,z = 1
 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 1
 w = 1,y = 1,z = 0

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Digital Electronics
One bit full adder has ________ inputs

 2
 any number
 3
 4

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Digital Electronics
How many input and output required for multiplexer ?

 One input and many output
 Many input and one output
None of these
 One input and one output

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Digital Electronics
A latch is ________ sensitive

 edge
 both level and edge
 level
 None

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 4
 6
 8
 5

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