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Digital Electronics

Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 16 input MUX
 6 input MUX
 8 input MUX
 4 input MUX

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

 12, 8
 16, 8
 6, 16
 8, 16

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NOR
 X-OR
 NAND
 AND

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 binary code
 cyclic code
 8421 code
 2421 code

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 2.
 none
 1.
 both are same

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Digital Electronics
How many input and output required for demultiplexer ?

 one input and many output
None of these
 one input and one output
 number of selection inputs and one output

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