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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A + B
 A & B
 A - B
 A.B

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Digital Electronics
An AND gate can be imagined as

 switches connected in parallel
 transistors connected in paralle
 switches connected in series
 transistors connected in series

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 NAND gate
 X-OR gate
 X-NOR gate
 NOR gate

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

 00111001
 11000110
 01000110
 00000001

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 129
 32
 9
 1023

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 X-OR
 NOR
 NAND
 OR

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