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Digital Electronics

Digital Electronics
A bubbled AND gate is equivalent to a

 NOR gate
 OR gate
 X-OR gate
 NAND gate

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Digital Electronics
NAND. gates are preferred over others because these

provide maximum density in a chip.
consume least electronic power
can be used to make any gate
have lower fabrication area

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Digital Electronics
A boolean function can be transformed into logical ________.

 graph
 diagram
 map
 matrix

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Digital Electronics
The voltage levels for negative logic system

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

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Digital Electronics
A full adder has

 2 inputs, 1 output
 2 inputs, 2 outputs
 3 inputs, 1 output
 3 inputs, 2 outputs

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 0111 1111 0011
 1100 1001 1111 1000

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