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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 OR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0101 1111 0010 1100
 0100 1110 0010 1101
 0100 1111 0010 1101
 0100 1111 0010 1100

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Digital Electronics
AND operation is equivalant to

 Division
 Union
 Both B and C
 Intersection

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 NOR
 NAND
 X-OR

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 A= G
None of these
 G = A
 G = Ā

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 four input NAND gates only
None of these
 three 3-input OR gates and one 3-input AND gate
 three 3-input NAND gates and one 3-input NOR gate

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