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Digital Electronics

Digital Electronics
Which of the following is equivalant to an ODD function

 XOR
 NOR
 XNOR
 AND-NOR

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 3
 1
 2
 4

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

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

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Digital Electronics
The decimal number 0.246 in binary is

 0.011011
 0.001111
 0.001101
 0.010111

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Minimization
State Evaluation
State Reduction
State Assignment

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Digital Electronics
The voltage levels for positive logic system

 may be positive or negative
 must necessarily be negative
 must necessarily be positive
 must necessarily be 0 V and 5 V

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